Dr. Hadjicostis' Publications

Papers are generally listed in reverse chronological order. Some of them are available in .ps and/or .pdf formats.
Please send email to chadjic@ucy.ac.cy to request a hard copy for a paper.
A description of my research interests (as they have evolved over time) is also available.

 

Books, Monographs, and Review Articles

Coding Approaches to Fault Tolerance in Combinational and Dynamic Systems
Distributed Averaging and Balancing in Network Systems, with Applications to Coordination and Control
(Free Version: Download)
Estimation and Inference in Discrete-Event Systems: A Model-Based Approach with Finite Automata


Analysis and Control for Resilience of Discrete Event Systems: Fault Diagnosis, Opacity and Cyber Security



C. N. Hadjicostis, ``Coding Approaches to Fault Tolerance in Combinational and Dynamic Systems.'' Kluwer Academic Publishers, 2002. (Book contents and preface.)

C. N. Hadjicostis, A. D. Domínguez-García, and T. Charalambous, ``Distributed Averaging and Balancing in Network Systems, with Applications to Coordination and Control." Foundations and Trends® in Systems and Control, vol. 5, no. 3-4, Now Publishers, 2018.

S. Lafortune, F. Lin, and C. N. Hadjicostis, ``On the History of Diagnosability and Opacity in Discrete Event Systems," Annual Reviews in Control, vol. 45, 257-266, April 2018.

C. N. Hadjicostis, ``Estimation and Inference in Discrete-Event Systems-A Model-Based Approach with Finite Automata," Series Communications and Control Engineering, Springer, 2020. (Hard cover: 978-3-030-30820-9, e-book: 978-3-030-30821-6.)

J. C. Basilio,  C. N. Hadjicostis, and Rong Su, ``Analysis and Control for Resilience of Discrete Event Systems: Fault Diagnosis, Opacity and Cyber Security," Foundations and Trends® in Systems and Control, vol. 6, no. 4, Now Publishers, 2021.


Edited Volumes and Editorials

C. N. Hadjicostis and S. Lafortune, Editorial - Thirty years of J-DEDS: Moving on with New Leadership, Journal of Discrete Event Dynamic Systems, vol. 31, pp. 1-3, January 2021.

F. Basile, C. N. Hadjicostis, and J. Komenda, Guest Editorial for Topical Collection on ``Theory-2020" for Journal of Discrete Event Dynamic Systems, 2020.

F. Basile, C. N. Hadjicostis, and J. Komenda, Guest Editorial for Topical Collection on ``Application-2020" for Journal of Discrete Event Dynamic Systems, 2020.

F. Basile, C. N. Hadjicostis, and J. Komenda, ``The 2018 Workshop on Discrete Event Systems [Conference Reports]," IEEE Control Systems Magazine, vol. 38, no. 6, pp. 132-134, November 2018.

A. Giua, F. Bullo, C. N. Hadjicostis, C. Seatzu, and F. Pasqualetti, ``55th IEEE Conference on Decision and Control (CDC 2016) [Conference Reports]," IEEE Control Systems Magazine, vol. 37, no. 4, pp. 104-110, 2017.

C. N. Hadjicostis, Zhiyun Lin, and O. Stursberg, Guest Editorial for Special Section on ``The IFAC World Congress 2014" for Nonlinear Analysis: Hybrid Systems, vol. 21, pp. 103-104, August 2016.

M.-P. Fanti, C. Cassandras, C. N. Hadjicostis, S. Reveliotis, and C. Seatzu, Guest Editorial for Special Issue on ``Advances in Discrete Event Systems for Automation" for the IEEE Transactions on Automation Science and Engineering, vol. 11, no. 1, pp. 3-5, January 2014.

C. N. Hadjicostis, C. Langbort, N. Martins, and S. Yuksel, Guest Editorial on Special Issue on ``Information Processing and Decision Making in Distributed Control Systems'' for the International Journal of Systems, Control and Communications, vol. 2, no. 1/2/3, pp. 1-4, 2010.

C. N. Hadjicostis and P. Moulin, ``Proceedings of the 45th Annual Allerton Conference on Communication, Control, and Computing.'' University of Illinois, 2007.

A. C. Singer and C. N. Hadjicostis, ``Proceedings of the 44th Annual Allerton Conference on Communication, Control, and Computing.'' University of Illinois, 2006.


Book Chapters

10. C. N. Hadjicostis, ``Opacity of Discrete Event Systems," In Encyclopedia of Systems and Control, 2nd Edition (Edited by Tariq Samad and John Baillieul), Springer Nature Switzerland, 2021.

9. C. N. Hadjicostis and A. D. Dominguez-Garcia, ``Distributed Average Consensus in Directed Graphs," In C4CBook Coordination Control of Distributed Systems (Edited by Jan H. van Schuppen and Tiziano Villa), Springer, Series Lecture Notes in Control and Information Sciences, vol. 456, 2015.

8. A. D. Dominguez-Garcia and C. N. Hadjicostis, ``Coordination of Distributed Energy Resources for Provision of Ancillary Services: Architectures and Algorithms," In Encyclopedia of Systems and Control (Edited by Tariq Samad and John Baillieul), Springer 2019 (2nd Edition) and Springer 2015 (1st Edition).

7. E. Athanasopoulou and C. N. Hadjicostis, ``Classification of Hidden Markov Models: Obtaining Bounds on the Probability of Error and Dealing with Possibly Corrupted Observations," In Hidden Markov Models, Theory and Applications, Przemyslaw Dymarski (Ed.), pp. 85-110, 2011. (Available from: http://www.intechopen.com/articles/show/title/classification-of-hidden-markov-models-obtaining-bounds-on-the-probability-of-error-and-dealing-with)

6. H. Rodriguez Cortes, A. M. Stankovic, and C. N. Hadjicostis, ``Dynamical Models in Fault Tolerant Operation and Control of Energy Processing Systems,'' In Operation and Control of Electric Energy Processing Systems (Edited by James Momoh and Lamine Mili), Chapter 2, pp. 15-45, IEEE Power Engineering Series, IEEE Press / John Wiley & Sons, 2010.

5. G. Deltas and C. N. Hadjicostis, ``Plant Reliability in Monopolies and Duopolies: A Comparison of Market Outcomes with Socially Optimal Levels,'' In Economic Market Design and Planning for Electric Power Systems (Edited by James Momoh and Lamine Mili), IEEE Power Engineering Series, Chapter 6, pp. 113-129, IEEE Press / John Wiley & Sons, 2010.

4. Y. Xiao, C. N. Hadjicostis, and K. Thulasiraman, ``The d-Identifying Codes Problem for Vertex Identification in Graphs: Probabilistic Analysis and an Approximation Algorithm.'' International Computing and Combinatorics Conference 2006 (Series Lecture Notes in Computer Science, vol. 4112), pp. 284-298, Springer-Verlag, 2006.

3. S. Sundaram and C. N. Hadjicostis, ``Non-Concurrent Error Detection and Correction in Switched Linear Controllers.'' International Workshop on Hybrid Systems: Computation and Control (Series Lecture Notes in Computer Science, vol. 2993), pp. 585-599, Springer-Verlag, 2004.

2. C. N. Hadjicostis and G. C. Verghese, ``Monitoring Discrete Event Systems using Petri Net Embeddings,'' Application and Theory of Petri Nets 1999 (Series Lecture Notes in Computer Science, vol. 1639), pp. 188-207, Springer-Verlag, 1999.

1. A. Agarwal, J. V. Guttag, C. N. Hadjicostis, and M. C. Papaefthymiou, ``Memory Assignment for Multiprocessor Caches through Grey Coloring,'' Parallel Architectures and Languages Europe 1994 (Series Lecture Notes in Computer Science, vol. 817), pp. 351-363, Springer-Verlag, 1994.


Journal Papers

J101. C. N. Hadjicostis, A. D. Dominguez Garcia, and A. Rikos, ``Finite-Time Distributed Flow Balancing," IEEE Transactions on Automatic Control (to appear).

J100. Xiaoyan Li, C. N. Hadjicostis, and Zhiwu Li, ``Extended Insertion Functions for Opacity Enforcement in Discrete Event Systems," IEEE Transactions on Automatic Control (to appear).

J99.
D. Lefebvre, C. Seatzu, C. N. Hadjicostis, and A. Giua, ``Probabilistic State Estimation for Labeled Continuous Time Markov Models with Applications to Attack Detection," Journal of Discrete Event Dynamic Systems (to appear).

J98. M. Thoma and C. N. Hadjicostis, ``Detection of Collaborative Misbehavior in Distributed Cyber-Attacks," Computer Communications, 174, pp. 28-41, 2021.

J97. Li Jun, D. Lefebvre, C. N. Hadjicostis, and Zhiwu Li, ``
Observers for a class of timed automata based on elapsed time graphs," IEEE Transactions on Automatic Control (to appear).

J96. D. Lefebvre and C. N. Hadjicostis, ``Exposure and Revelation Times as a Measure of Opacity in Timed Stochastic Discrete Event Systems," IEEE Transactions on Automatic Control, vol. 66, no. 12, pp. 5802-5815, December 2021.

J95. C. N. Hadjicostis and A. D. Dominguez Garcia, ``Distributed Balancing under Flow Constraints over Arbitrary Communication Topologies," IEEE Transactions on Automatic Control, vol. 66, no. 12, pp. 5637-5650, December 2021.

J94. I. Tzortzis, C. D. Charalambous, and C. N. Hadjicostis, ``Jump LQR Systems with Unknown Transition Probabilities," IEEE Transactions on Automatic Control, vol. 66, no. 6, pp. 2693-2708, June 2021.

J93. A. I. Rikos and C. N. Hadjicostis, ``Distributed Integer Balancing under Weight Constraints in the Presence of Transmission Delays," IEEE Transactions on Automatic Control, vol. 66, no. 4, pp. 1910-1917, April 2021.

J92. A. I. Rikos and C. N. Hadjicostis, ``Event-Triggered Quantized Average Consensus via Ratios of Accumulated Values," IEEE Transactions on Automatic Control, vol. 66, no. 3, pp. 1293-1300, March 2021.

J91. C. N. Hadjicostis and A. D. Dominguez Garcia, ``Privacy-Preserving Distributed Averaging via Homomorphically Encrypted Ratio Consensus," IEEE Transactions on Automatic Control, vol. 65, no. 9, pp. 3889-3894, September 2020.

J90. D. Lefebvre and C. N. Hadjicostis, ``Privacy and Safety Analysis of Timed Stochastic Discrete Event Systems using Markovian Trajectory-Observers," Journal of Discrete Event Dynamic Systems, vol. 30, pp. 413-440, 2020.

J89. L. Faramondi, G. Oliva, R. Setola, and C. N. Hadjicostis, ``Distributed C-Means Clustering via Broadcast-Only Token-Passing," IEEE Transactions on Control of Network Systems, vol. 7, no. 1, pp. 315-325, March 2020.

J88. G. Oliva, A. I. Rikos, C. N. Hadjicostis, and A. Gasparri, ``Distributed Flow Network Balancing with Minimal Effort," IEEE Transactions on Automatic Control, vol. 64, no. 9, pp. 3529-3543, September 2019.

J87. A. I. Rikos, and C. N. Hadjicostis, ``Distributed Balancing with Constrained Integer Weights," IEEE Transactions on Automatic Control, vol. 64, no. 6, pp. 2553-2558, June 2019.

J86. C. N. Hadjicostis and A. D. Dominguez-Garcia, ``Distributed Balancing of Commodity Networks Under Flow Interval Constraints," IEEE Transactions on Automatic Control, vol. 64, no. 1, pp. 51-65, January 2019.

J85. C. Keroglou and C. N. Hadjicostis, ``Distributed Fault Diagnosis in Discrete Event Systems via Set Intersection Refinements," IEEE Transactions on Automatic Control, vol. 63, no. 10, pp. 3601-3607, October 2018.

J84. C. Keroglou and C. N. Hadjicostis, ``Probabilistic System Opacity in Discrete Event Systems," Journal of Discrete Event Dynamic Systems, vol. 28, no. 2, pp. 289-314, 2018.

J83. G. Oliva
, S. Cioaba, and C. N. Hadjicostis, ``Distributed Calculation of Edge-Disjoint Spanning Trees for Robustifying Distributed Algorithms against Man-in-the-Middle Attacks," IEEE Transactions on Control of Network Systems, vol. 5, no. 4, pp. 1646-1656, December 2018.

J82. C. Keroglou and C. N. Hadjicostis, ``Verification of Detectability in Probabilistic Finite Automata," Automatica, vol. 86, pp. 192-198, December 2017.

J81. A. I. Rikos and C. N. Hadjicostis, ``Distributed Integer Weight Balancing in the Presence of Time Delays in Directed Graphs," IEEE Transactions on Control of Network Systems, vol. 5, no. 3, pp. 1300-1309, September 2018.

J80. N. Manitara and C. N. Hadjicostis, ``Distributed Stopping for Average Consensus in Digraphs," IEEE Transactions on Control of Network Systems, vol. 5, no. 3, pp. 957-967, September 2018.

J79. S. T. Cady, M. Zholbaryssov, A. D. Domınguez-Garcıa, and C. N. Hadjicostis, ``A Distributed Frequency Regulation Architecture for Islanded Inertia-Less AC Microgrids," IEEE Transactions on Control Systems Technology, vol. 25, no. 6, pp. 1961-1977, November 2017.

J78. M.-P. Cabasino, C. N. Hadjicostis, and C. Seatzu, ``Marking Observer in Labeled Petri Nets with Applications to Supervisory Control," IEEE Transactions on Automatic Control, vol. 62, no. 4, pp. 1813-1824, April 2017.

J77. G. Oliva, R. Setola, L. Glielmo and C. N. Hadjicostis, ``Distributed Cycle Detection and Removal," IEEE Transactions on Control of Network Systems, vol. 5, no. 1, pp. 194-204, March 2018.

J76. I. Tzortzis, C. D. Charalambous, T. Charalambous, C. N. Hadjicostis, and M. Johansson,  ``Approximation of Markov Processes by Lower Dimensional Processes via Total Variation Metrics," IEEE Transactions on Automatic Control, vol. 62, no. 3, pp. 1030-1045, March 2017.

J75. Jun Chen, C. Keroglou, C. N. Hadjicostis, and R. Kumar, ``Revised Test for Stochastic Diagnosability of Discrete-Event Systems," IEEE Transactions on Automation Science and Engineering, vol. 15, no. 1, pp. 405-408, January 2018.

J74. G. Oliva, R. Setola and C. N. Hadjicostis, ``Distributed Finite-Time Calculation of Node Eccentricities, Graph Radius, and Graph Diameter," Systems and Control Letters, vol. 92, pp. 20-27, June 2016.

J73. N. E. Manitara and C. N. Hadjicostis, ``Distributed Stopping for Average Consensus in Undirected Graphs via Event-Triggered Strategies," Automatica, vol. 70, pp. 121-127, 2016.

J72. G. Oliva, R. Setola and C. N. Hadjicostis, ``Distributed Finite-Time Average-Consensus with Limited Computational and Storage Capability," IEEE Transactions on Control of Network Systems, vol. 4, no. 2, pp. 380-391, June 2017.

J71. C. N. Hadjicostis, N. Vaidya, and A. D. Dominguez-Garcia, ``Robust Distributed Average Consensus via Exchange of Running Sums," IEEE Transactions on Automatic Control, vol. 61, no. 6, pp. 1492-1507, June 2016.

J70. C. Keroglou and C. N. Hadjicostis, ``Detectability in Stochastic Discrete Event Systems," Systems and Control Letters, vol. 84, pp. 21-26, October 2015.

J69.  A. D. Dominguez-Garcia and C. N. Hadjicostis, ``Distributed Algorithms for Resource Coordination in Networked Systems Described by Directed Graphs," Systems and Control Letters, vol. 82, pp. 33-39, August 2015.

J68. T. Charalambous, Ye Yuan, Tao Yang, Wei Pan, C. N. Hadjicostis, and M. Johansson, ``Distributed Finite-Time Average Consensus in Digraphs in the Presence of Time-Delays," IEEE Transactions on Control of Network Systems, vol. 2, no. 4, pp. 370-381, December 2015.

J67. T. Charalambous, M. Rabbat, M. Johansson, and C. N. Hadjicostis, ``Distributed Finite-Time Computation of Digraph Parameters: Left-Eigenvector, Out-Degree and Spectrum," IEEE Transactions on Control of Network Systems, vol. 3, no. 2, pp. 137-148, April 2016.

J66. S. T. Cady, A. D. Dominguez-Garcia, and C. N. Hadjicostis, ``A Distributed Generation Control Architecture for Islanded AC Microgrids," IEEE Transactions on Control Systems Technology, vol. 23, no. 5, pp. 1717-1735, September 2015.

J65. M.-P. Cabasino, C. N. Hadjicostis, and C. Seatzu, ``Probabilistic Marking Estimation in Labeled Petri Nets," IEEE Transactions on Automatic Control, vol. 60, no. 2, pp. 528-533, February 2015.

J64. M.-P. Cabasino, A. Giua, C. N. Hadjicostis, and C. Seatzu, ``Fault Model Identification and Synthesis in Petri Nets," Journal of Discrete Event Dynamic Systems, vol. 25, no. 3, pp. 419-440, September 2015.

J63. A. Rikos, T. Charalambous, and C. N. Hadjicostis, ``Distributed Weight Balancing over Digraphs," IEEE Transactions on Control of Network Systems, vol. 1, no. 2, pp. 1-12, June 2014.

J62. A. Saboori and C. N. Hadjicostis, ``Current-State Opacity Formulations in Probabilistic Finite Automata,'' IEEE Transactions on Automatic Control, vol. 59, no. 1, pp. 120-133, January 2014.

J61. C. N. Hadjicostis and T. Charalambous, ``Average Consensus in the Presence of Delays in Directed Graph Topologies,'' IEEE Transactions on Automatic Control, vol. 59, no. 3, pp. 763-768, March 2014.

J60. A. Saboori and C. N. Hadjicostis, ``Verification of Initial-State Opacity in Security Applications of DES,'' Information Sciences, vol. 246, pp. 115-132, October 2013.

J59. Yu Ru, M.-P. Cabasino, A. Giua, and C. N. Hadjicostis, ``Supervisor Synthesis for Discrete Event Systems under Partial Observation and Arbitrary Forbidden State Specifications," Journal of Discrete Event Dynamic Systems, vol. 24, no. 3, pp. 275-307, September 2014.

J58. A. D. Dominguez-Garcia and C. N. Hadjicostis, ``Distributed Matrix Scaling and Application to Average Consensus in Directed Graphs," IEEE Transactions on Automatic Control, vol. 58, no. 3, pp. 667-681, March 2013.

J57. B. Robbins, A. D. Dominguez-Garcia, and C. N. Hadjicostis, ``A Two-Stage Distributed Control Architecture for Voltage Control in Power Distribution Systems," IEEE Transactions on Power Systems, vol. 28, no. 2, pp. 1470-1482, May 2013.

J56. S. Sundaram and C. N. Hadjicostis, ``Structural Controllability and Observability of Linear Systems over Finite Fields with Applications to Multiagent Systems," IEEE Transactions on Automatic Control, vol. 58, no. 1, pp. 60-73, January 2013.

J55. Lingxi Li and C. N. Hadjicostis, ``Minimum Initial Marking Estimation in Labeled Petri Nets,'' IEEE Transactions on Automatic Control, vol. 58, no. 1, pp. 198-203, January 2013.

J54. A. I. Vakis, C. N. Hadjicostis, and A. A. Polycarpou, ``Three-DOF Dynamic Model with Lubricant Contact for Thermal Fly-Height Control Nanotechnology," Journal of Physics D: Applied Physics, vol. 45, no. 13, pp. 135402-135416, 2012.

J53. A. D. Dominguez-Garcia, C. N. Hadjicostis, and N. Vaidya, ``Resilient Networked Control of Distributed Energy Resources," IEEE Journal on Selected Areas in Communications: Smart Grid Communications Series, vol. 30, no. 6, pp. 1137–1148, June 2012. Version without typo in Corollary 1.

J52. A. Saboori and C. N. Hadjicostis, ``Verification of Infinite-Step Opacity and Analysis of its Complexity,'' IEEE Transactions on Automatic Control, vol. 57, no. 5, pp. 1265-1269, May 2012.

J51. A. Saboori and C. N. Hadjicostis, ``Opacity Enforcing Supervisory Strategies via State Estimator Constructions,'' IEEE Transactions on Automatic Control, vol. 57, no. 5, pp. 1155-1165, May 2012. Supplement with proofs for ``Opacity Enforcing Supervisory Strategies via State Estimator Constructions."

J50. V. Calderaro, C. N. Hadjicostis, A. Piccolo, and P. Siano, ``Failure Identification in Smart Grids Based on Petri Net Modeling," IEEE Transactions on Industrial Electronics, vol. 58, no. 10, pp. 4613-4623, October 2011 (Special Issue on ``Methods and Systems for Smart Grids Optimization").

J49. A. Saboori and C. N. Hadjicostis, ``Coverage Analysis of Mobile Agent Trajectory via State-Based Opacity Formulations,'' Control Engineering Practice, vol. 19, no. 9, pp. 967-977, September 2011 (Special Issue on ``Selected Papers from 2nd International Workshop on Dependable Control of Discrete Systems," invited).

J48. A. Saboori and C. N. Hadjicostis, ``Verification of K-Step Opacity and Analysis of its Complexity,'' IEEE Transactions on Automation Sciences and Engineering, vol. 8, no. 3, pp. 549-559, July 2011. Supplement with proofs for ``Verification of K-Step Opacity and Analysis of its Complexity."

J47. S. Sundaram and C. N. Hadjicostis, ``Distributed Function Calculation via Linear Iterative Strategies in the Presence of Malicious Agents," IEEE Transactions on Automatic Control, vol. 56, no. 7, pp. 1495-1508, July 2011.

J46. Lingxi Li and C. N. Hadjicostis, ``Least-Cost Transition Firing Sequence Estimation in Labeled Petri Nets with Unobservable Transitions," IEEE Transactions on Automation Science and Engineering, vol. 8, no. 2, pp. 394-403, April 2011.

J45. Yu Ru and C. N. Hadjicostis, ``Sensor Selection for Structural Observability in Discrete Event Systems Modeled by Labeled Petri Nets,'' IEEE Transactions on Automatic Control, vol. 55, no. 8, pp. 1751-1764, August 2010.

J44. R. Touri, P. G. Voulgaris, and C. N. Hadjicostis, ``Algorithmic Design of Perfectly Reconstructing Equalizers,'' International Journal of Systems, Control, and Communications, vol. 2, no. 1/2/3, pp. 238-255, 2010.

J43. Yu Ru and C. N. Hadjicostis, ``Fault Diagnosis in Discrete Event Systems Modeled by Partially Observed Petri Nets,'' Journal of Discrete Event Dynamic Systems (Special Issue on ``Selected Papers from WODES 2008, the 9th International Workshop on Discrete Event Systems"), vol. 19, no. 4, pp. 551-575, December 2009  (Special Issue on ``Information Processing and Decision Making in Distributed Control Systems,'' invited).

J42. E. Athanasopoulou, Lingxi Li, and C. N. Hadjicostis, ``Maximum Likelihood Failure Diagnosis in Finite State machines Under Unreliable Observations,'' IEEE Transactions on Automatic Control, vol. 55, no. 3, pp. 579-594, March 2010.

J41. Lingxi Li and C. N. Hadjicostis, ``Least-Cost Planning Sequence Estimation in Labeled Petri Nets,'' Transactions of the Institute of Measurement and Control, vol. 33, no. 3-4, pp. 317-331, May 2011 (Special Issue on ``Planning and Scheduling in Complex Systems").

J40. Tung Le and C. N. Hadjicostis, ``Graphical Inference for Multiple Intrusion Detection,'' IEEE Transactions on Information Forensics and Security, vol. 3, no. 3, pp. 370-380, September 2008 (Special Issue on ``Statistical Methods for Network Security and Forensics").

J39. G. Takos and C. N. Hadjicostis, ``Nonconcurrent Error Correction in the Presence of Roundoff Noise,'' IEEE Transactions on Circuits and System I, vol. 56, no. 2, pp. 473-484, February 2009.

J38. E. Athanasopoulou and C. N. Hadjicostis, ``Bounds on FSM Switching Activity,'' The Journal of Signal Processing Systems, vol. 53, no. 3, pp. 411-418, December 2008.

J37. S. Sundaram and C. N. Hadjicostis, ``Partial State and Input Observers for Linear Systems with Unknown Inputs," Automatica, vol. 44, no. 12, pp. 3126-3132, December 2008.

J36. S. Sundaram and C. N. Hadjicostis, ``Fault-Tolerant Convolution via Chinese Remainder Codes Constructed from Non-Coprime Moduli,'' IEEE Transactions on Signal Processing, vol. 56, no. 9, pp. 4244-4254, September 2008.

J35. R. Touri, P. G. Voulgaris, and C. N. Hadjicostis, ``Joint Preprocessing and Feedback Strategies for Perfectly Reconstructing Equalizers,'' IEEE Journal on Selected Areas in Communications, vol. 26, no. 4, pp. 596-608, May 2008 (Special Issue on ``Control and Communications").

J34. S. Sundaram and C. N. Hadjicostis, ``Distributed Functional Calculation and Consensus using Linear Iterative Strategies,'' IEEE Journal on Selected Areas in Communications, vol. 26, no. 4, pp. 650-660, May 2008 (Special Issue on ``Control and Communications").

J33. Yingquan Wu and C. N. Hadjicostis, ``Decoding Algorithm and Architecture for BCH Codes under the Lee Metric,'' IEEE Transactions on Communications, vol. 56, no. 12, pp. 2050-2059, December 2008.

J32. Yu Ru and C. N. Hadjicostis, ``Bounds on the Number of Markings Consistent with Label Observations in Petri Nets,'' IEEE Transactions on Automation Science and Engineering, vol. 6, no. 2, pp. 334-344, April 2009.

J31. Tung Le and C. N. Hadjicostis, ``Max-Product Algorithms for the Generalized Multiple Fault Diagnosis Problem,'' IEEE Transactions on Systems, Man and Cybernetics (Part B), vol. 37, no. 6, pp. 1607-1621, December 2007.

J30. G. Takos and C. N. Hadjicostis, ``Error Correction in DFT Codes subject to Low-Level Quantization Noise," IEEE Transactions on Signal Processing, vol. 56, no. 3, pp. 1043-1054, March 2008.

J29. Lingxi Li, C. N. Hadjicostis, and R. S. Sreenivas, ``Designs of Bisimilar Petri Net Controllers with Fault Tolerance Capabilities,'' IEEE Transactions on Systems, Man and Cybernetics (Part A), vol. 38, no. 1, pp. 207-217, January 2008.

J28. P. G. Voulgaris, C. N. Hadjicostis, and R. Touri, ``A Robust Control Approach to Digital Communications: A Perfect Reconstruction Paradigm,'' IEEE Transactions on Signal Processing, vol. 55, no. 9, pp. 4444-4457, September 2007.

J27. Yingquan Wu and C. N. Hadjicostis, ``Soft-Decision Decoding Using Ordered Recodings on the Most Reliable Basis,'' IEEE Transactions on Information Theory, vol. 53, no. 2, pp. 829-836, September 2007.

J26. S. Sundaram and C. N. Hadjicostis, ``Delayed Observers for Linear Systems with Unknown Inputs,'' IEEE Transactions on Automatic Control, vol. 52, no. 2, pp. 334-339, February 2007.

J25. Yingquan Wu and C. N. Hadjicostis, ``Soft-Decision Decoding of Linear Block Codes Using Preprocessing and Diversification,'' IEEE Transactions on Information Theory, vol. 53, no. 1, pp. 378-393, January 2007.

J24. R. Touri and C. N. Hadjicostis, ``Stabilization with Feedback Control utilizing Packet Dropping Network Links,'' IET (IEE) Proceedings on Control Theory and Applications, vol. 1, no. 1, pp. 334-342, January 2007.

J23. H. Rodriguez, C. N. Hadjicostis, and A. M. Stankovic, ``Dynamical Models for Fault Detection in Squirrel Cage Induction Motors,'' International Journal Critical Infrastructures, vol. 3, no. 1/2, pp. 192-220, 2007.

J22. S. Sundaram and C. N. Hadjicostis, ``Discussion on: "A Comparison of Sliding Mode and Unknown Input Observers for Fault Reconstruction"," European Journal on Control, no. 12, pp. 267-270, 2006 (invited).

J21. Y. Ru, Weimin Wu, and C. N. Hadjicostis, ``Comments on ``A Modified Reachability Tree Approach to the Analysis of Unbounded Petri Nets"," IEEE Transactions on Systems, Man and Cybernetics (Part B), vol. 36, no. 5, pp. 1210-1210, October 2006.

J20. S. Sundaram and C. N. Hadjicostis, ``Comments on ``Time-Delayed State Estimator for Linear Systems with Unknown Inputs",'' International Journal on Control, Automation and Systems, vol. 3, no. 4, pp. 646-647, December 2005.

J19. S. Sundaram and C. N. Hadjicostis, ``Error Detection and Correction in Switched Linear Controllers via Periodic and Non-Concurrent Checks,'' Automatica, vol. 42, no. 3, pp. 383-391, March 2006.

J18. C. N. Hadjicostis, ``Probabilistic Fault Detection in Finite-State Machines Based on State Occupancy Measurements,'' IEEE Transactions on Automatic Control, vol. 50, no. 12, pp. 2078-2083, December 2005.

J17. Yingquan Wu and C. N. Hadjicostis, ``Algebraic Approaches for Centralized and Distributed Fault Identification in Discrete Event Systems,'' IEEE Transactions on Automatic Control, vol. 50, no. 12, pp. 2048-2053, December 2005.

J16. C. N. Hadjicostis, ``Aliasing Probability Calculations for Arbitrary Compaction under Independently Selected Random Test Vectors,'' IEEE Transactions on Computers, vol. 54, no. 12, pp. 1614-1627, December 2005.

J15. E. Athanasopoulou and C. N. Hadjicostis, ``Probabilistic Approaches to Fault Detection in Networked Discrete Event Systems,'' IEEE Transactions on Neural Networks, vol. 16, no. 5, pp. 1042-1053, September 2005 (Special Issue on ``Adaptive Learning Systems in Communication Networks," invited).

J14. A. J. Llorens, C. N. Hadjicostis, and J. Ni, ``Quantization of FIR Filters under a Total Integer Cost Constraint,'' IEEE Transactions on Circuits and Systems (II), vol. 52, no. 9, pp. 576-580, September 2005.

J13. C. N. Hadjicostis, ``Finite-State Machine Embeddings for Non-Concurrent Error Detection and Identification,'' IEEE Transactions on Automatic Control, vol. 50, no. 2, pp. 142-153, February 2005.

J12. C. N. Hadjicostis and G. C. Verghese, ``Coding Approaches to Fault Tolerance in Linear Dynamic Systems,'' IEEE Transactions on Information Theory, vol. 51, no. 1, pp. 210-228, January 2005.

J11. Y. Wu and C. N. Hadjicostis, ``On Solving Composite Power Polynomial Equations," Mathematics of Computation, vol. 74, no. 250, pp. 853-868, 2005.

J10. C. N. Hadjicostis, ``Periodic and Non-Concurrent Error Detection and Identification in One-Hot Encoded FSMs," Automatica, vol. 40, no. 10, pp. 1665-1676, October 2004.

J9. C. N. Hadjicostis, ``Coding Techniques for Fault-Tolerant Parallel Prefix Computations in Abelian Groups,'' The Computer Journal, vol. 47, no. 3, pp. 329-341, 2004.

J8. C. N. Hadjicostis, ``Non-Concurrent Error Detection and Correction in Fault-Tolerant Linear Finite-State Machines,'' IEEE Transactions on Automatic Control, vol. 48, no. 12, pp. 2133-2140, December 2003.

J7. C. N. Hadjicostis, ``Non-Concurrent Error Detection and Correction in Fault-Tolerant Discrete-Time LTI Dynamic Systems,'' IEEE Transactions on Circuits and Systems (I), vol. 50, no. 1, pp. 45-55, January 2003.

J6. C. N. Hadjicostis and G. C. Verghese, ``Fault-Tolerant Computation in Semigroups and Groups: Applications to Automata, Dynamic Systems and Petri Nets," Journal of the Franklin Institute, vol. 339, no. 4-5, pp. 387-430, July-August 2002.

J5. C. N. Hadjicostis and G. C. Verghese, ``Encoded Dynamics for Fault Tolerance in Linear Finite-State Machines,'' IEEE Transactions on Automatic Control, vol. 47, no. 1, pp. 189-192, January 2002.

J4. C. N. Hadjicostis, ``On the Complexity of Parallelizing Sequential Circuits using the Parallel Prefix Method,'' IEEE Transactions on Circuits and Systems (I), vol. 48, no. 10, pp. 1228-1233, October 2001.

J3. C. N. Hadjicostis and G. C. Verghese, ``Power System Monitoring using Petri Net Embeddings,'' IEE Proceedings C: Generation, Transmission and Distribution, vol. 147, no. 5, pp. 299-303, September 2000.

J2. C. N. Hadjicostis, ``Bounds on the Size of Minimal Nonnegative Realizations for Discrete-Time LTI Systems,'' Systems and Control Letters, vol. 37, pp. 39-43, 1999.

J1. C. N. Hadjicostis and G. C. Verghese, ``Structured Redundancy for Fault Tolerance in LTI State-Space Models and Petri Nets,'' Kybernetika, vol. 35, pp. 39-55, January 1999.


Conference Proceedings

C180. I. Tzortzis, C. N. Hadjicostis, and C. D. Charalambous, ``LQ Tracking Control of Hidden Markov Jump Systems Subject to Ambiguity," Proceedings of 60th IEEE Conference on Decision and Control (CDC 2021), Austin, Texas (to appear).

C179. I. Tzortzis, C. D. Charalambous, and C. N. Hadjicostis, ``Robust LQR Control of Systems with Multiple Uncertain Players," Proceedings of 60th IEEE Conference on Decision and Control (CDC 2021), Austin, Texas (to appear).

C178. A. I. Rikos, A. Grammenos, E. Kalyvianaki, C. N. Hadjicostis, T. Charalambous, and K. H. Johansson, ``Optimal CPU Scheduling in Data Centers via a Finite-Time Distributed Quantized Coordination Mechanism," Proceedings of 60th IEEE Conference on Decision and Control (CDC 2021), Austin, Texas (to appear).

C177. Wei Duan, C. N. Hadjicostis, and Zhiwu Li, ``Privacy Enforcement Strategies in Discrete Event Systems via Observation Modification and Supervisory Control," Proceedings of the 2021 European Control Conference (ECC 2021), pp. 68-73 (invited).

C176. Yuting Li, C. N. Hadjicostis, and Naiqi Wu, ``Error- and Tamper-Tolerant Decentralized Diagnosability of Discrete Event Systems under Cost Constraints," Proceedings of the 2021 European Control Conference (ECC 2021), pp. 42-47, 2021 (invited).

C175. S. Baros, C. N. Hadjicostis, and F. O'Sullivan, ``Stability Analysis of Droop-Controlled Inverter-Based Power Grids via Timescale Separation," Proceedings of 59th IEEE Conference on Decision and Control (CDC 2020), pp. 2098-2104, Jeju Island, Republic of Korea, 2020.

C174. A. I. Rikos, T. Charalambous, K. H. Johansson, and C. N. Hadjicostis, ``Privacy-Preserving Event-Triggered Quantized Average Consensus," Proceedings of 59th IEEE Conference on Decision and Control (CDC 2020), pp. 6246-6253, Jeju Island, Republic of Korea, 2020.

C173. M. Zholbaryssov, C. N. Hadjicostis, and A. D. Dominguez-Garcia, ``Privacy-Preserving Distributed Coordination of Distributed Energy Resources," Proceedings of 59th IEEE Conference on Decision and Control (CDC 2020), pp. 4689-4696, Jeju Island, Republic of Korea, 2020 (invited).

C172. A. I. Rikos and C. N. Hadjicostis, ``Distributed Average Consensus under Quantized Communication via Event-Triggered Mass Splitting," Proceedings of 21st IFAC World Congress (IFAC 2020), Berlin, Germany, 2020. (IFAC-PapersOnLine, 53.2 (2020): 2957-2962).

C171. D. Lefebvre, C. Seatzu, C. N. Hadjicostis, and Alessandro Giua, ``Probabilistic Verification of Attack Detection using Logical Observer," Proceedings of 15th IFAC Workshop on Discrete Event Systems (WODES 2020), Rio de Janeiro, Brazil, 2020 (FAC-PapersOnLine, 53.4 (2020): 95-100).

C170. M. A. Demetriou and C. N. Hadjicostis, ``Optimal Communication Topology and Static Output Feedback of Networked Collocated Actuator/Sensor Pairs in Distributed Parameter Systems," Proceedings of American Control Conference (ACC 2020), pp. 2654-2660, Denver, CO, 2020 (invited).

C169. I. Tzortzis, C. D. Charalambous, C. N. Hadjicostis, ``Robust Linear Quadratic Regulator for Markov Jump Systems," Proceedings of 58th IEEE Conference on Decision and Control (CDC 2019), pp. 6760-6765, Nice, France, 2019.

C168. C. Keroglou and C. N. Hadjicostis, ``AA-Diagnosability in Probabilistic Finite Automata is PSPACE-Hard," Proceedings of 58th IEEE Conference on Decision and Control (CDC 2019), pp. 6712-6717, Nice, France, 2019 (invited).

C167. C. N. Hadjicostis, A. D. Dominguez-Garcia, A. I. Rikos, ``Finite-Time Distributed Flow Balancing," Proceedings of 58th IEEE Conference on Decision and Control (CDC 2019), pp. 903-908, Nice, France, 2019.

C166. T. Charalambous, N. Manitara, and C. N. Hadjicostis, ``Privacy-Preserving Average Consensus over Digraphs in the Presence of Time-Delays," Proceedings of  57th Annual Allerton Conference on Communication, Control, and Computing (Allerton 2019), pp. 238-245, Allerton House, IL, 2019.

C165. D. Lefebvre and C. N. Hadjicostis, ``Revelation Time for Initial-State Opacity Measurement in Timed Discrete Event Systems," Proceedings of IEEE International Conference on Systems, Man, and Cybernetics (SMC 2019), pp. 1819-1824, Bari, Italy, 2019.

C164. D. Lefebvre and C. N. Hadjicostis, ``Exposure Time as a Measure of Opacity in Timed Discrete Event Systems," Proceedings of European Control Conference (ECC 2019), pp. 1740-1745, Naples, Italy, 2019 (invited).

C163. D. Lefebvre and C. N. Hadjicostis, ``Trajectory-Observers of Discrete Event Systems: Applications to Safety and Security Issues," Proceedings of 6th International Conference on Decision, Information and Control Technologies (CODIT 2019), pp. 1078-1083, Paris, France, 2019 (invited).

C162. C. N. Hadjicostis, ``Privary Preserving Distributed Average Consensus via Homomorphic Encryption," Proceedings of 57th IEEE Conference on Decision and Control (CDC 2018), pp. 1258-1263, Miami, FL, 2018.

C161. T. Charalambous and C. N. Hadjicostis, ``Laplacian-Based Matrix Design for Finite-Time Average Consensus in Digraphs,"
Proceedings of 57th IEEE Conference on Decision and Control (CDC 2018), pp. 3654-3659, Miami, FL, 2018.
 
C160. A. I. Rikos and C. N. Hadjicostis, ``Distributed Average Consensus with Quantized Communication via Event-Triggered Mass Summation,"
Proceedings of 57th IEEE Conference on Decision and Control (CDC 2018), pp. 894-899, Miami, FL, 2018.

C159. C. N. Hadjicostis, ``Trajectory Planning under Current-State Opacity Constraints," Proceedings of 14th IFAC Workshop on Discrete Event Systems (WODES 2018), Sorrento, Italy, May 30-June 1, 2018. IFAC-PapersOnLine, vol. 51, no. 7, 2018, 337-342

C158. M. Noori-Hosseini, B. Lennartson, and C. N. Hadjicostis, ``Compositional Visible Bisimulation Abstraction Applied to Opacity Verification," Proceedings of 14th IFAC Workshop on Discrete Event Systems (WODES 2018), Sorrento, Italy, May 30-June 1, 2018.
IFAC-PapersOnLine, vol. 51, no. 7, 2018, 435-441
 
C157. T. Charalambous and C. N. Hadjicostis, ``When to Stop Iterating in Digraphs of Unknown Size? an Application to Finite-Time Average Consensus," Proceedings of 2018 European Control Conference (ECC 2018), Limassol, Cyprus, June 12-15, 2018.

C156. C. N. Hadjicostis and A. D. Dominguez-Garcia, ``Distributed Balancing under Interval Flow Constraints in Directed Communication Topologies," Proceedings of 56th IEEE Conference on Decision and Control (CDC 2017), pp. 1070-1075, Melbourne, Australia, December 12-15, 2017.

C155. A. I. Rikos and Christoforos N. Hadjicostis, ``Distributed Weight Balancing under Integer Constraints in the Presence of Packet Drops," Proceedings of 56th IEEE Conference on Decision and Control (CDC 2017), pp. 4570-4575, Melbourne, Australia, December 12-15, 2017.

C154. G. Oliva, A. Gasparri, A. Fagiolini, and C. N. Hadjicostis, ``Distributed and Proximity-Constrained C-Means for Discrete Coverage Control," Proceedings of 56th IEEE Conference on Decision and Control (CDC 2017), pp. 1584-1589, Melbourne, Australia, December 12-15, 2017.

C153. I. Tzortzis, C. N. Hadjicostis, and L. Mombaerts, ``Reconstruction of Gene Regulatory Networks using Error Filtering Learning Schemes," Proceedings of 55th Annual Allerton Conference on Communication, Control, and Computing (Allerton 2017), pp. 244-251, Allerton House, IL, October 4-6, 2017.
 
C152. R. Apostolos and C. N. Hadjicostis, ``Distributed Flow Balancing over Unreliable Communication Links," Proceedings of 55th Annual Allerton Conference on Communication, Control, and Computing (Allerton 2017), pp. 165-172, Allerton House, IL, October 4-6, 2017 (invited).

C151. I. Tzortzis, C. D. Charalambous, T. Charalambous, C. Kourtellaris, and C. N. Hadjicostis, ``Robust Linear Quadratic Regulator for Uncertain Systems," Proceedings of 55th IEEE Conference on Decision and Control (CDC 2016), pp. 1515-1520, Las Vegas, NV, December 12-14, 2016.

C150. A. I. Rikos and C. N. Hadjicostis, ``Distributed Integer Weight Balancing within Interval Constraints," Proceedings of 55th IEEE Conference on Decision and Control (CDC 2016), pp. 1775-1780, Las Vegas, NV, December 12-14, 2016.

C149. T. Charalambous, C. N. Hadjicostis, M. Rabbat, and M. Johansson, ``Totally Asynchronous Distributed Estimation of Eigenvector Centrality in Digraphs with Application to the PageRank Problem," Proceedings of 55th IEEE Conference on Decision and Control (CDC 2016), pp. 25-30, Las Vegas, NV, December 12-14, 2016.

C148. G. Oliva, R. Setola, and C. N. Hadjicostis, ``Distributed Asynchronous Cholesky Decomposition," Proceedings of 55th IEEE Conference on Decision and Control (CDC 2016), pp. 4414-4419, Las Vegas, NV, December 12-14, 2016.

C147. C. N. Hadjicostis and A. D. Dominguez-Garcia, ``Distributed Balancing in Digraphs under Interval Constraints," Proceedings of 55th IEEE Conference on Decision and Control (CDC 2016), pp. 1769-1774, Las Vegas, NV, December 12-14, 2016.

C146. C. N. Hadjicostis and C. Seatzu, ``K-Detectability in Discrete Event Systems," Proceedings of 55th IEEE Conference on Decision and Control (CDC 2016), pp. 420-425, Las Vegas, NV, December 12-14, 2016.

C145. G. Oliva, R. Setola, and C. N. Hadjicostis, ``Distributed C-Means Data Clustering Algorithm," Proceedings of 55th IEEE Conference on Decision and Control (CDC 2016), pp. 4396-4401, Las Vegas, NV, December 12-14, 2016.

C144. C. N. Hadjicostis and C. Seatzu, ``Decentralized State Estimation in Discrete Event Systems under Partially Ordered Observation Sequences," Proceedings of 13th International Workshop on Discrete Event Systems (WODES 2016), pp. 367-372, Xi'an, China, May 30-June 1, 2016 (invited).

C143. C. Keroglou and C. N. Hadjicostis, ``Probabilistic System Opacity," Proceedings of 13th International Workshop on Discrete Event Systems (WODES 2016), pp. 379-384, Xi'an, China, May 30-June 1, 2016 (invited).

C142. M. Thoma and C. N. Hadjicostis, ``Detection of Collaborative Cyber-Attacks through Correlation and Time Dependency Analysis," Proceedings of 18th Mediterranean Electrotechnical Conference (MELECON 2016), pp. 1-6, Limassol, Cyprus, April 18-20, 2016.

C141. R. Both-Rusu, E. H. Dulf and C. N. Hadjicostis, ``Fractional Order Controllers in Fault-Tolerant Distributed Control of an Isotope Separation Columns Cascade," Proceedings of the 2015 International Symposium on Fractional Signals and Systems (FSS 2015), Cluj-Napoca, Romania, October 1-2, 2015 (abstract only).

C140. S. T. Cady, C. N. Hadjicostis, and A. D. Dominguez-Garcia, ``Distributed Frequency Control of Inertia-Less AC Microgrids," Proceedings of 54th IEEE Conference on Decision and Control (CDC 2015), pp. 2018-2023, Osaka, Japan, December 15-18, 2015.

C139. A. Rikos and C. N. Hadjicostis, ``Integer Weight Balancing in the Presence of Time Delays in Directed Graphs," Proceedings of 54th IEEE Conference on Decision and Control (CDC 2015), pp. 3493-3498, Osaka, Japan, December 15-18, 2015.

C138. C. Keroglou and C. N. Hadjicostis, ``Distributed Diagnosis using Predetermined Synchronization Strategies in the Presence of Communication Constraints," Proceedings of 11th Annual IEEE Conference on Automation Science and Engineering (CASE 2015), pp. 831-836, Gothenburg, Sweden, August 24-28, 2015 (invited).

C137. C. D. Charalambous, J. Boutros, C. Georghiades, C. N. Hadjicostis, and P. R. Kumar, ``Dynamic Team Theory with Non-Classical Information Structures of Discrete-Time Stochastic Dynamic Systems," Qatar Foundation Annual Research Conference (ARC 2014), Dubai, Qatar, November 18-19, 2014 (abstract only).

C136. N. Manitara and C. N. Hadjicostis, ``Distributed Stopping for Average Consensus in Directed Graphs via Randomized Event-Triggered Strategies," 7th Cyprus Workshop on Signal Processing and Informatics, July 15, 2014 (abstract only).

C135. S. T. Cady, A. D. Dominguez-Garcia, and C. N. Hadjicostis, ``Finite-Time Approximate Consensus and its Application to Distributed Frequency Regulation in Islanded AC Microgrids," Proceedings of 48th Annual Hawaii International Conference on System Sciences (HICSS 2015), pp. 2664-2670, Kauai, HI, January 5-8, 2015.

C134. N. Manitara and C. N. Hadjicostis, ``Distributed Stopping for Average Consensus Using Double Linear Iterative Strategies," Proceedings of 52nd Annual Allerton Conference on Communication, Control, and Computing (Allerton 2014), pp. 739-746, Allerton House, IL, October 1-3, 2014 (invited).

C133. C. Keroglou and C. N. Hadjicostis, ``Distributed Diagnosis using Pre-Determined Synchronization Strategies," Proceedings of 53rd IEEE Conference on Decision and Control (CDC 2014), pp. 5955-5960, Los Angeles, CA, December 15-17, 2014 (invited).

C132. T. Charalambous and C. N. Hadjicostis, ``Average Consensus in the Presence of Dynamically Changing Directed Graph Topologies and Time Delays," Proceedings of 53rd IEEE Conference on Decision and Control (CDC 2014), pp. 709-714, Los Angeles, CA, December 15-17, 2014.

C131. M.-P. Cabasino, C. N. Hadjicostis, and C. Seatzu, ``Initial Marking Estimation in Labeled Petri Nets in a Probabilistic Setting," Proceedings of 53rd IEEE Conference on Decision and Control (CDC 2014), pp. 6725-6730, Los Angeles, CA, December 15-17, 2014.

C130. C. N. Hadjicostis and A. D. Dominguez-Garcia, ``Convergence Rate of a Distributed Algorithm for Matrix Scaling to Doubly Stochastic Form," Proceedings of 53rd IEEE Conference on Decision and Control (CDC 2014), pp. 3240-3245, Los Angeles, CA, December 15-17, 2014.

C129. I. Tzortzis, C. D. Charalambous, T. Charalambous, C. N. Hadjicostis, M. Johansson, ``Approximation of Markov Processes by Lower Dimensional Processes," Proceedings of 53rd IEEE Conference on Decision and Control (CDC 2014), pp. 4441-4446, Los Angeles, CA, December 15-17, 2014.

C128. C. N. Hadjicostis and C. Keroglou, ``Opacity Formulations and Verification in Discrete Event Systems," Proceedings of 19th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA 2014), pp. 1-12, Barcelona, Spain, September 16-19, 2014 (invited).

C127. M.-P. Cabasino, C. N. Hadjicostis, and C. Seatzu, ``State Feedback Control of Labeled Petri Nets with Uncertainty in the Initial Marking," Proceedings of 19th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA 2014), pp. 1-7, Barcelona, Spain, September 16-19, 2014 (invited).

C126. C. D. Charalambous, T. Charalambous, and C. N. Hadjicostis, ``Team Optimality Conditions of Differential Decision Systems with Nonclassical Information  Structures," Proceedings of 13th European Control Conference (ECC 2014), pp. 2851-2856, Strasbourg, France, June 25-27, 2014.

C125. C. Keroglou and C. N. Hadjicostis, ``Hidden Markov Model Classification based on Relative Frequencies of Observed Symbols,'' Proceedings of 12th IFAC-IEEE International Workshop on Discrete Event Systems (WODES 2014), pp. 7-12, ENS Cachan, France, May 14-16, 2014 (invited).

C124. C. Keroglou and C. N. Hadjicostis, ``Detectability in Stochastic Discrete Event Systems," Proceedings of 12th IFAC-IEEE International Workshop on Discrete Event Systems (WODES 2014), pp. 27-32, ENS Cachan, France, May 14-16, 2014 (invited).

C123. N. Manitara and C. N. Hadjicostis, ``Distributed Stopping Strategies for Average Consensus in Digraphs," Proceedings of 6th IEEE International Symposium on Communications, Control, and Signal Processing (ISCCSP 2014), pp. 483-486, Athens, Greece, May 21-23, 2014 (invited).

C122. T. Charalambous, C. N. Hadjicostis, and M. Johansson, ``Decentralized Minimum-Time Weight Balancing over Digraphs," Proceedings of 6th IEEE International Symposium on Communications, Control, and Signal Processing (ISCCSP 2014), pp. 190-193, Athens, Greece, May 21-23, 2014 (invited).

C121. N. Manitara and C. N. Hadjicostis, ``Distributed Stopping in Average Consensus via Event-Triggered Strategies," Proceedings of 51st Annual Allerton Conference on Communication, Control, and Computing (Allerton 2013), pp. 1336-1343, Allerton House, IL, October 2-4, 2013 (invited).

C120. T. Charalambous, E. Kalyvianaki, and C. N. Hadjicostis, ``Distributed Offline Load Balancing in Heterogeneous MapReduce Networks," Proceedings of 52nd IEEE Conference on Decision and Control (CDC 2013), pp. 835-840, Florence, Italy, December 10-13, 2013.

C119. M.-P. Cabasino, C. N. Hadjicostis, and C. Seatzu, ``Probabilistic Marking Estimation in Labeled Petri Nets," Proceedings of 52nd IEEE Conference on Decision and Control (CDC 2013), pp. 6304-6310, Florence, Italy, December 10-13, 2013 (invited).

C118. M. Panteli and C. N. Hadjicostis, ``Intersection Based Decentralized Fault Diagnosis: Implementation and Verification,'' Proceedings of 52nd IEEE Conference on Decision and Control (CDC 2013), pp. 6311-6316, Florence, Italy, December 10-13, 2013 (invited).

C117. T. Charalambous, Ye Yuan, Tao Yang, Wei Pan, C. N. Hadjicostis, and M. Johansson, ``Decentralised Minimum-Time Average Consensus in Digraphs,'' Proceedings of 52nd IEEE Conference on Decision and Control (CDC 2013), pp. 2617-2622, Florence, Italy, December 10-13, 2013 (invited).

C116. A. I. Rikos and C. N. Hadjicostis, ``Distributed Balancing of a Digraph with Integer Weights,'' Proceedings of 52nd IEEE Conference on Decision and Control (CDC 2013), pp. 1983-1988, Florence, Italy, December 10-13, 2013 (invited).

C115. M.-P. Cabasino, C. N. Hadjicostis, and C. Seatzu, ``Marking Observer of Labeled Petri Nets with Uncertainty in the Initial Marking," Proceedings of IEEE International Conference on Systems, Man, and Cybernetics (SMC 2013), pp. 2348-2353, Manchester, UK, October 13-16, 2013.

C114. C. Keroglou and C. N. Hadjicostis, ``Initial State Opacity in Stochastic DES," Proceedings of 18th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA 2013), pp. 1-8, Cagliari, Italy, September 10-13, 2013.

C113. T. Charalambous and C. N. Hadjicostis, ``Distributed Formation of Balanced and Bistochastic Weighted Adjacency Matrices in Digraphs," Proceedings of 12th Biannual European Control Conference (ECC 2013), pp. 1752-1757, Zurich, Switzerland, July 17-19, 2013.

C112. N. Manitara and C. N. Hadjicostis, ``Privacy-Preserving Asymptotic Average Consensus," Proceedings of 12th Biannual European Control Conference (ECC 2013), pp. 760-765, Zurich, Switzerland, July 17-19, 2013.

C111. N. H. Vaidya, C. N. Hadjicostis, and A. D. Dominguez-Garcia, ``Robust Average Consensus over Packet Dropping Links: Analysis via Coefficients of Ergodicity," Proceedings of 51st IEEE Conference on Decision and Control (CDC 2012), pp. 2761-2766, Maui, HI, December 10-13, 2012.

C110. A. D. Dominguez-Garcia, S. T. Cady, and C. N. Hadjicostis, ``Decentralized Optimal Dispatch of Distributed Energy Resources," Proceedings of 51st IEEE Conference on Decision and Control (CDC 2012), pp. 3688-3693, Maui, HI, December 10-13, 2012 (invited).

C109. C. N. Hadjicostis, A. D. Dominguez-Garcia, and N. H. Vaidya, ``Resilient Average Consensus in the Presence of Heterogeneous Packet Dropping Links," Proceedings of 51st IEEE Conference on Decision and Control (CDC 2012), pp. 106-111, Maui, HI, December 10-13, 2012.

C108. I. Shames, T. Charalambous, C. N. Hadjicostis and M. Johansson, ``Distributed Network Size Estimation and Average Degree Estimation and Control in Networks Isomorphic to Directed Graphs,'' Proceedings of 50th Annual Allerton Conference on Communication, Control, and Computing (Allerton 2012), pp. 1885-1892, Allerton House, IL, October 1-5, 2012 (invited).

C107. C. N. Hadjicostis and A. Rikos, ``Distributed Strategies for Balancing a Weighted Digraph," Proceedings of 20th Mediterranean Conference on Control and Automation (MED 2012), pp. 1141-1146, Barcelona, Spain, July 3-6, 2012.

C106. C. N. Hadjicostis, ``Resolution of Initial State Opacity in Security Applications of DES," Proceedings of 20th Mediterranean Conference on Control and Automation (MED 2012), pp. 794-799, Barcelona, Spain, July 3-6, 2012.

C105. C. N. Hadjicostis and T. Charalambous, ``Asynchronous Coordination of Distributed Energy Resources for the Provisioning of Ancillary Services,'' Proceedings of 49th Annual Allerton Conference on Communication, Control, and Computing (Allerton 2011), pp. 1500-1507, Allerton House, IL, September 28-30, 2011 (invited).

C104. C. Keroglou and C. N. Hadjicostis, ``Bounds on the Probability of Misclassification among Hidden Markov Models," Proceedings of 50th IEEE Conference on Decision and Control and European Control Conference (CDC/ECC 2011), pp. 385-390, Orlando, FL, December 12-15, 2011.

C103. A. D. Dominguez-Garcia and C. N. Hadjicostis, ``Distributed Algorithms for Control of Demand Response and Distributed Energy Resources," Proceedings of 50th IEEE Conference on Decision and Control and European Control Conference (CDC/ECC 2011), pp. 27-32, Orlando, FL, December 12-15, 2011 (invited).

C102. A. D. Dominguez-Garcia and C. N. Hadjicostis, ``Distributed Strategies for Average Consensus in Directed Graphs," Proceedings of 50th IEEE Conference on Decision and Control and European Control Conference (CDC/ECC 2011), pp. 2124-2129, Orlando, FL, December 12-15, 2011.

C101. C. D. Charalambous, C. Kourtellaris, and C. N. Hadjicostis, ``Optimal Encoder and Controller Strategies for Channels with Memory and Feedback: Dynamic Programming," Proceedings of 50th IEEE Conference on Decision and Control and European Control Conference (CDC/ECC 2011), pp. 4522-4527, Orlando, FL, December 12-15, 2011.

C100. S. T. Cady, A. D. Dominguez-Garcia, and C. N. Hadjicostis, ``Robust Implementation of Distributed Algorithms for Control of Distributed Energy Resources," Proceedings of 43rd North American Power Symposium (NAPS 2011), pp. 1-5, Boston, MA, August 4-6, 2011.

C99. B. Robbins, A. D. Dominguez-Garcia, and C. N. Hadjicostis, ``Control of Distributed Energy Resources for Reactive Power Support," Proceedings of 43rd North American Power Symposium (NAPS 2011), pp. 1-5, Boston, MA, August 4-6, 2011.

C98. Tung Le and C. N. Hadjicostis, "Marginal Analysis on Binary Pairwise Gibbs Random Fields," Proceedings of 7th Annual IEEE Conference on Automation Science and Engineering (CASE 2011), pp. 316-321, Trieste, Italy, August 24-27, 2011.

C97. C. Keroglou and C. N. Hadjicostis, ``Bound on the Probability of Misclassification between two HMMs," Proceedings of 19th Mediterranean Conference on Control and Automation (MED 2011), pp. 449-454, Corfu Island, Greece, June 20-23, 2011.

C96. G. Hadjichristofi, G. Kapos, and C. N. Hadjicostis, ``Novel 3-D Model for Node and System Trust," Proceedings of 7th IEEE International Wireless Communications and Mobile Computing Conference (IWCMC 2011), pp. 959-966, Istanbul, Turkey, July 4-8, 2011.

C95. Tung Le and C. N. Hadjicostis, ``Convergence of Belief Propagation Algorithms on Binary Pairwise Gibbs Random Fields," Proceedings of 2011 IFAC World Congress, pp. 4161-4166, Milan, Italy, August 28-September 2, 2011. Available online at http://www.ifac-papersonline.net/Detailed/48847.html .

C94. C. D. Charalambous, C. Kourtellaris, and C. N. Hadjicostis, ``Optimal Encoders Maximizing Directed Information of Channels with Memory and Feedback: Stochastic Control and Dynamic Programming," Proceedings of 2011 IFAC World Congress, pp. 6598-6603, Milan, Italy, August 28-September 2, 2011. Available online at http://www.ifac-papersonline.net/Detailed/49653.html .

C93. Yu Ru and C. N. Hadjicostis, ``Constrained Sensor Selection for Discrete Event Systems Modeled by Petri Nets," Proceedings of 2011 American Control Conference (ACC 2011), pp. 4502-4507, San Francisco, California, 2011.

C92. G. C. Hadjichristofi, C. N. Hadjicostis, and D. Raychaudhuri, ``Security in the Cache and Forward Architecture for the Next Generation Internet," Proceedings of 12th International Conference on Distributed Computing and Networking (ICDCN 2011), pp. 328-339, Bangalore, India, 2011.

C91. A. D. Dominguez-Garcia, C. N. Hadjicostis, P. T. Krein, ``Small Inverter-Interfaced Distributed Energy Resources for Reactive Power Support," Proceedings of 26th Annual IEEE Applied Power Electronics Conference & Exposition (APEC 2011), pp. 1616-1621, Fort Worth, TX, 2011.

C90. E. Stavrou, A. Pitsillides, G. Hadjichristofi, and C. N. Hadjicostis, ``Security in Future Mobile Sensor Networks: Issues and Challenges," Proceedings of SECRYPT 2010, the International Conference on Security and Cryptography, pp. 278-286, Athens, Greece, 2010.

C89. A. Saboori and C. N. Hadjicostis, ``Opacity Verification in Stochastic Discrete Event Systems," Proceedings of CDC 2010, the 2010 IEEE Conference on Decision and Control, pp. 6759-6764, Atlanta, GA, 2010.

C88. Tung Le, S. Tatikonda, and C. N. Hadjicostis, ``Performance Analysis of Belief Propagation Algorithms for Multiple Fault Diagnosis Applications," Proceedings of CDC 2010, the 2010 IEEE Conference on Decision and Control, pp. 1627-1632, Atlanta, GA, 2010.

C87. S. Sundaram, M. Pajic, C. N. Hadjicostis, R. Mangharam, and G. J. Pappas, ``The Wireless Control Network: Monitoring for Malicious Behavior," Proceedings of CDC 2010, the 2010 IEEE Conference on Decision and Control, pp. 5979-5984, Atlanta, GA, 2010 (invited).

C86. C. N. Hadjicostis, ``Supervisory Control Strategies for Enhancing System Security and Privacy," Proceedings of the 48th Annual Allerton Conference on Communication, Control, and Computing, pp. 1622-1627, Allerton House, IL, 2010 (invited).

C85. C. D. Charalambous, C. Kourtellaris, and C. N. Hadjicostis, ``Capacity of Channels with Memory and Feedback: Encoder Properties and Dynamic Programming," Proceedings of the 48th Annual Allerton Conference on Communication, Control, and Computing, pp. 1450-1457, Allerton House, IL, 2010 (invited).

C84. A. D. Dominguez-Garcia and C. N. Hadjicostis, ``Coordination and Control of Distributed Energy Resources for Provision of Ancillary Services,'' Proceedings of IEEE SmartGridComm, the First IEEE International Conference on Smart Grid Communications, pp. 537-542, Gaithersburg, MD, 2010.

C83. A. Saboori and C. N. Hadjicostis, ``Reduced-Complexity Verification for Initial-State Opacity in Modular Discrete Event Systems," Proceedings of WODES 2010, the 10th International Workshop on Discrete Event Systems, Berlin, Germany, 2010 (invited). Available online at http://www.ifac-papersonline.net/Detailed/42909.html .

C82. A. Saboori and C. N. Hadjicostis, ``Probabilistic Opacity for Stochastic Discrete Event Systems," Proceedings of MTNS 2010, the 19th International Symposium on Mathematical Theory of Networks and Systems, Budapest, Hungary, 2010.

C81. S. Sundaram and C. N. Hadjicostis, ``Control of Quantized Multi-Agent Systems with Linear Nearest Neighbor Rules: A Finite Field Approach," Proceedings of ACC 2010, the 2010 American Control Conference, pp. 1003-1008, Baltimore, Maryland, 2010 (invited).

C80. S. Sundaram and C. N. Hadjicostis, ``On the Time Complexity of Information Dissemination of Linear Iterative Strategies," Proceedings of ACC 2010, the 2010 American Control Conference, pp. 6789-6794, Baltimore, Maryland, 2010.

C79. Yu Ru and C. N. Hadjicostis, ``Reachability Analysis for a Class of Petri Nets," Proceedings of CDC 2009, the 2009 IEEE Conference on Decision and Control, pp. 1261-1266, Shanghai, China, 2009 (invited).

C78. S. Sundaram and C. N. Hadjicostis, ``Information Dissemination in Networks via Linear Iterative Strategies Over Finite Fields," Proceedings of CDC 2009, the 2009 IEEE Conference on Decision and Control, pp. 3781-3786, Shanghai, China, 2009 (invited).

C77. A. Saboori and C. N. Hadjicostis, ``Verification of K-Step Opacity and Analysis of its Complexity," Proceedings of CDC 2009, the 2009 IEEE Conference on Decision and Control, pp. 205-210, Shanghai, China, 2009.

C76. Lingxi Li and C. N. Hadjicostis, ``Minimum Initial Marking Estimation in Labeled Petri Nets," Proceedings of ACC 2009, the 2009 American Control Conference, pp. 5000-5005, St. Louis, MS, 2009 (invited).

C75. S. Sundaram and C. N. Hadjicostis, ``Linear Iterative Strategies for Transmitting Input Streams in Sensor Networks," Proceedings of MED 2009, the 17th Mediterranean Conference on Control and Automation, pp. 106-111, Thessaloniki, Greece, 2009 (invited).

C74. A. Saboori and C. N. Hadjicostis, ``Verification of Infinite-Step Opacity and Analysis of its Complexity," Proceedings of DCDS 2009, the Second IFAC Workshop on Dependable Control of Discrete Systems, pp. 51-56, Bari, Italy, 2009. Available online at http://www.ifac-papersonline.net/Detailed/42295.html .

C73. S. Sundaram and C. N. Hadjicostis, ``Distributed Calculation of Linear Functions in Noisy Networks via Linear Iterations," Proceedings of CDC 2008, the 47th IEEE Conference on Decision and Control, pp. 5462-5467, Cancun, Mexico, 2008.

C72. Yu Ru, M.-P. Cabasino, A. Giua, and C. N. Hadjicostis, ``Supervisor Synthesis for Discrete Event Systems with Arbitrary Forbidden State Specifications," Proceedings of CDC 2008, the 47th IEEE Conference on Decision and Control, pp. 1048-1053, Cancun, Mexico, 2008.

C71. E. Athanasopoulou and C. N. Hadjicostis, ``Probability of Error Bounds for Failure Diagnosis and Classification in Hidden Markov Models," Proceedings of CDC 2008, the 47th IEEE Conference on Decision and Control, pp. 1477-1482, Cancun, Mexico, 2008.

C70. A. Saboori and C. N. Hadjicostis, ``Opacity-Enforcing Supervisory Strategies for Secure Discrete Event Systems," Proceedings of CDC 2008, the 47th IEEE Conference on Decision and Control, pp. 889-894, Cancun, Mexico, 2008.

C69. Tung Le and C. N. Hadjicostis, ``Low-Complexity Max-Product Algorithms for Problems of Multiple Fault Diagnosis,'' Proceedings of ICARCV 2008, the 10th International Conference on Control, Automation, Robotics and Vision, pp. 470-475, Hanoi, Vietnam, 2008.

C68. A. Saboori and C. N. Hadjicostis, ``Verification of Initial-State Opacity in Security Applications of DES," Proceedings of WODES 2008, the 9th International Workshop on Discrete Event Systems, pp. 328-333, Goteborg, Sweden, 2008.

C67. Yu Ru and C. N. Hadjicostis, ``Fault Diagnosis in Discrete Event Systems Modeled by Petri Nets with Outputs," Proceedings of WODES 2008, the 9th International Workshop on Discrete Event Systems, pp. 443-448, Goteborg, Sweden, 2008 (invited).

C66. M.-P. Cabasino, A. Giua, C. N. Hadjicostis, and C. Seatzu, ``Fault Model Identification with Petri Nets," Proceedings WODES 2008, the 9th International Workshop on Discrete Event Systems, pp. 455-461, Goteborg, Sweden, 2008 (invited).

C65. Tung Le and C. N. Hadjicostis, ``Improved Performance Bounds on Max-Product Algorithms for Multiple Fault Diagnosis in Graphs with Loops," Proceedings of MCS 2008, the IEEE Multi-Conference on Systems and Control, pp. 637-642, San Antonio, TX, 2008.

C64. S. Sundaram and C. N. Hadjicostis, ``Distributed Function Calculation via Linear Iterations in the Presence of Malicious Agents -- Part II: Overcoming Malicious Behavior," Proceedings of ACC 2008, the 2008 American Control Conference, pp. 1356-1361, Seattle, WA, 2008 (Best Student Paper Award Finalist).

C63. S. Sundaram and C. N. Hadjicostis, ``Distributed Function Calculation via Linear Iterations in the Presence of Malicious Agents -- Part I: Attacking the Network," Proceedings of ACC 2008, the 2008 American Control Conference, pp. 1350-1355, Seattle, WA, 2008.

C62. A. Saboori and C. N. Hadjicostis, ``Notions of Security and Opacity in Discrete Event Systems," Proceedings of CDC 2007, the 46th IEEE Conference on Decision and Control, pp. 5056-5061, New Orleans, LA, 2007.

C61. R. Touri and P. G. Voulgaris and C. N. Hadjicostis, ``On the Role of Feedback in the Design of Perfectly Reconstructing Equalizers," Proceedings of CDC 2007, the 46th IEEE Conference on Decision and Control, pp. 2707-2712, New Orleans, LA, 2007.

C60. Yu Ru and C. N. Hadjicostis, ``Approximating Optimal Sensor Selection for Structural Observability in Discrete Event Systems Modeled by Petri Nets," Proceedings of CDC 2007, the 46th IEEE Conference on Decision and Control, pp. 1892-1897, New Orleans, LA, 2007.

C59. Lingxi Li and C. N. Hadjicostis, ``Reconstruction of Petri Net Transition Firing Sequence Based on Distributed Observations of Place Token Changes," Proceedings of CDC 2007, the 46th IEEE Conference on Decision and Control, pp. 1898-1903, New Orleans, LA, 2007.

C58. Haitao Mo and C. N. Hadjicostis, ``Feedback Control over Packet Dropping Network Links," Proceedings of MED 2007, the 15th IEEE Mediterranean Conference on Control and Automation, pp. 1-6, Athens, Greece, 2007.

C57. E. Athanasopoulou, Lingxi Li, and C. N. Hadjicostis, ``Online Posterior Probability Calculation for Failure Diagnosis in Finite State Machines based on Unreliable Sensor Information," Proceedings of DX-07, the 18th International Workshop on Principles of Diagnosis, Nashville, TN, 2007.

C56. Yu Ru and C. N. Hadjicostis, ``Optimal Sensor Selection for Structural Observability in Discrete Event Systems Modeled by Petri Nets," Proceedings of DCDS 2007, the 2007 Workshop on Dependable Control of Discrete Systems, Paris, France, 2007 (invited).

C55. Haitao Mo and C. N. Hadjicostis, ``State and Output Feedback Control over Packet Dropping Network Links." Proceedings of CT07, the 2007 SIAM Conference on Control and its Applications, San Francisco, CA, 2007 (abstract only, invited).

C54. S. Sundaram and C. N. Hadjicostis, ``Distributed Consensus and Linear Functional Calculation: An Observability Perspective," Proceedings of IPSN 2007, the 2007 International Conference on Information Processing in Sensor Networks, Cambridge, MA, 2007.

C53. Tung Le and C. N. Hadjicostis, ``Bounds on Max-Product Algorithms for Multiple Fault Diagnosis in Graphs with Loops,'' Proceedings of ECC 2007, the 9th European Control Conference, Kos, Greece, July 2007.

C52. Lingxi Li and C. N. Hadjicostis, ``Least-Cost Firing Sequence Estimation in Labeled Petri Nets with Unobservable Transitions," Proceedings of ACC 2007, the 2007 American Control Conference, pp. 4963-4968, New York, NY, 2007 (invited).

C51. Yu Ru and C. N. Hadjicostis, ``Fault-Tolerant Supervisory Control of Discrete Event Systems Modeled by Bounded Petri Nets," Proceedings of ACC 2007, the 2007 American Control Conference, pp. 4945-4950, New York, NY, 2007 (invited).

C50. S. Sundaram and C. N. Hadjicostis, ``Finite-Time Distributed Consensus in Graphs with Time-Invariant Topologies," Proceedings of ACC 2007, the 2007 American Control Conference, pp. 711-716, New York, NY, 2007 (Best Student Paper Award Finalist).

C49. S. Sundaram and C. N. Hadjicostis, ``Optimal State Estimators for Linear Systems with Unknown Inputs,'' Proceedings of CDC 2006, the 45th IEEE Conference on Decision and Control, pp. 4763-4768, San Diego, CA, 2006.

C48. S. Sundaram and C. N. Hadjicostis, ``Designing Stable Inverters and State Observers for Switched Linear Systems with Unknown Inputs,'' Proceedings of CDC 2006, the 45th IEEE Conference on Decision and Control, pp. 4105-4110, San Diego, CA, 2006.

C47. Yu Ru and C. N. Hadjicostis, ``State Estimation in Discrete Event Systems Modeled by Labeled Petri Nets," Proceedings of CDC 2006, the 45th IEEE Conference on Decision and Control, pp. 6022-6027, San Diego, CA, 2006.

C46. Lingxi Li, Yu Ru, and C. N. Hadjicostis, ``Least-Cost Firing Sequence Estimation in Labeled Petri Nets," Proceedings of CDC 2006, the 45th IEEE Conference on Decision and Control, pp. 416-421, San Diego, CA, 2006.

C45. G. Takos and C. N. Hadjicostis, ``Nonconcurrent Error Correction in the Presence of Roundoff Noise," Proceedings of CDC 2006, the 45th IEEE Conference on Decision and Control, pp. 2171-2176, San Diego, CA, 2006.

C44. Tung Le and C. N. Hadjicostis, ``Graphical Inference Methods for Fault Diagnosis based on Information from Unreliable Sensors,'' Proceedings of ICARCV 2006 (The 9th International Conference on Control, Automation, Robotics and Vision), pp. 1-6, Singapore, 2006.

C43. H. Rodriguez, C. N. Hadjicostis, and A. M. Stankovic, ``Model-Based Fault Detection in Power Systems,'' Proceedings of ISIE 2006, the 2006 International Symposium on Industrial Electronics, pp. 1922-1927, Montreal, 2006.

C42. E. Fabre and C. N. Hadjicostis, ``A Trellis Notion for Distributed System Diagnosis with Sequential Semantics,'' Proceedings of WODES 2006, the 8th International Workshop on Discrete Event Systems, pp. 294-300, Ann Arbor, Michigan, 2006.

C41. E. Athanasopoulou, Lingxi Li, and C. N. Hadjicostis, ``Probabilistic Failure Diagnosis in Finite State Machines under Unreliable Observations,'' Proceedings of WODES 2006, the 8th International Workshop on Discrete Event Systems, pp. 301-306, Ann Arbor, Michigan, 2006.

C40. R. Touri, P. G. Voulgaris, and C. N. Hadjicostis, ``Time-Varying Power-Limited Preprocessing for Perfect Reconstruction of Binary Signals,'' Proceedings of ACC 2006, the 2006 American Control Conference, pp. 5722-5727, Minneapolis, Minnesota, 2006 (Best session presentation award to R. Touri).

C39. E. Athanasopoulou and C. N. Hadjicostis, ``Decentralized Failure Diagnosis in Discrete Event Systems,'' Proceedings of ACC 2006, the 2006 American Control Conference, pp. 5698-5703, Minneapolis, Minnesota, 2006.

C38. P. G. Voulgaris, C. N. Hadjicostis, and R. Touri, ``Encoder-Decoder Design for Perfect Reconstruction: A Robust Control Perspective,'' Proceedings of CDC/ECC 2005, the joint 44th IEEE Conference on Decision and Control and the European Control Conference 2005, pp. 2536-2541, Seville, Spain, 2005 (invited).

C37. S. Sundaram and C. N. Hadjicostis, ``On Delayed Observers for Linear Systems with Unknown Inputs,'' Proceedings of CDC/ECC 2005, the joint 44th IEEE Conference on Decision and Control and the European Control Conference 2005, pp. 7210-7215, Seville, Spain, 2005.

C36. E. Athanasopoulou and C. N. Hadjicostis ``Maximum Likelihood Diagnosis in Partially Observable Finite-State Machines,'' Proceedings of MED 2005, the 13th IEEE Mediterranean Conference on Control and Automation, pp. 896-901, Limassol, Cyprus, 2005 (invited).

C35. G. Takos and C. N. Hadjicostis, ``Hierarchical Decentralized Fusion from Correlated Sensor Measurements,'' Proceedings of ICNSC 2005, the 2005 IEEE International Conference on Networking, Sensing and Control, Tucson, pp. 508-513, Arizona, 2005.

C34. H. Rodriguez, C. N. Hadjicostis, and A. M. Stankovic, ``Detuning Detection in Induction Motors,'' Proceedings of CDC 2004, the 43rd IEEE Conference on Decision and Control, vol. 4, pp. 4330-4335, Atlantis, Paradise Island, Bahamas, 2004.

C33. E. Athanasopoulou and C. N. Hadjicostis ``Synchronization-Based Fault Detection in Discrete Event Systems,'' Proceedings of CDC 2004, the 43rd IEEE Conference on Decision and Control, vol. 1, pp. 57-62, Atlantis, Paradise Island, Bahamas, 2004.

C32. Lingxi Li, C. N. Hadjicostis, and R. Sreenivas, ``Fault Detection and Identification in Petri Net Controllers,'' Proceedings of CDC 2004, the 43rd IEEE Conference on Decision and Control, vol. 5, pp. 5248-5243, Atlantis, Paradise Island, Bahamas, 2004.

C31. P. G. Voulgaris and C. N. Hadjicostis, ``Optimal Preprocessing Strategies for Perfect Reconstruction of Binary Signals under Power-Constrained Transmission,'' Proceedings of CDC 2004, the 43rd IEEE Conference on Decision and Control, vol. 4, pp. 4040-4045, Atlantis, Paradise Island, Bahamas, 2004.

C30. C. N. Hadjicostis and T. Ernst, ``Fault Protection of Digital Sequential Systems using Convolutional Codes over Large Alphabets,'' Proceedings of MTNS 2004, the 16th International Symposium on Mathematical Theory for Networks and Systems, Leuven, Belgium, 2004.

C29. Yingquan Wu, R. Koetter, and C. N. Hadjicostis, ``Soft-Decision Decoding of Linear Block Codes using Preprocessing,'' Proceedings of ISIT 2004, the 2004 IEEE International Symposium on Information Theory, p. 259, Chicago, IL, 2004.

C28. H. Rodriguez, A. M. Stankovic, and C. N. Hadjicostis, ``Model-Based Broken Rotor Bar Detection on an IFOC Driven Squirrel Cage Induction Motor,'' Proceedings of ACC 2004, the 2004 American Control Conference, vol. 4, pp. 3094-3099, Boston, MA, 2004.

C27. C. N. Hadjicostis, ``Finite-State Machine Embeddings for Non-Concurrent Error Error Detection and Identification,'' Proceedings of CDC 2003, the 42nd IEEE Conference on Decision and Control, vol. 4, pp. 3215-3220, Maui, Hawai, 2003.

C26. S. Venkatesh, P. G. Voulgaris, and C. N. Hadjicostis, ``A Systems Approach to Channel Equalization,'' Proceedings of CDC 2003, the 42nd IEEE Conference on Decision and Control, vol. 3, pp. 3155-3160, Honolulu, Hawaii, 2003.

C25. P. G. Voulgaris, C. N. Hadjicostis, and R. Touri, ``A Perfect Reconstruction Paradigm for Digital Communication,'' Proceedings of CDC 2003, the 42nd IEEE Conference on Decision and Control, vol. 4, pp. 4196-4201, Maui, Hawaii, 2003.

C24. Yingquan Wu and C. N. Hadjicostis, ``Distributed Non-Concurrent Fault Identification in Discrete Event Systems,'' Proceedings of CESA 2003, the Multiconference on Computational Engineering in Systems Applications, Lille, France, 2003 (invited).

C23. P. G. Voulgaris, C. N. Hadjicostis, and R. Touri, ``A Worst-Case Framework for Perfect Reconstruction of Discrete Data Transmissions,'' Proceedings of MED 2003, the 11th IEEE Mediterranean Conference on Control and Automation, Rhodes, Greece, 2003.

C22. E. Athanasopoulou and C. N. Hadjicostis, ``Aliasing Probability Calculations in Testing Sequential Circuits,'' Proceedings of MED 2003, the 11th IEEE Mediterranean Conference on Control and Automation, Rhodes, Greece, 2003.

C21. Yingquan Wu and C. N. Hadjicostis, ``Soft-Decision Decoding of Linear Block Codes using Multiple Information Bases,'' Proceedings of ISIT 2003, the 2003 IEEE International Symposium on Information Theory, p. 203, Yokohama, Japan, 2003.

C20. C. N. Hadjicostis, ``Encoded Finite-State Machines for Non-Concurrent Error Detection and Identification,'' Proceedings of ISCAS 2003, the 2003 IEEE International Symposium on Circuits and Systems, vol. 3, pp. 858-861, Bangkok, Thailand, 2003 (invited).

C19. C. N. Hadjicostis, ``Aliasing Probability Calculations in Nonlinear Compactors,'' Proceedings of ISCAS 2003, the 2003 IEEE International Symposium on Circuits and Systems, vol. 5, pp. 529-532, Bangkok, Thailand, 2003.

C18. E. Athanasopoulou and C. N. Hadjicostis, ``Upper and Lower Bounds on FSM Switching Activity,'' Proceedings of ISCAS 2003, the 2003 IEEE International Symposium on Circuits and Systems, vol. 5, pp. 417-420, Bangkok, Thailand, 2003.

C17. C. N. Hadjicostis and R. Touri, ``Feedback Control utilizing Packet Dropping Network Links,'' Proceedings of CDC 2002, the 41st IEEE Conference on Decision and Control, vol. 2, pp. 1205-1210, Las Vegas, NV, 2002 (invited).

C16. Yingquan Wu and C. N. Hadjicostis, ``Non-Concurrent Fault Identification in Discrete Event Systems using Encoded Petri Net States,'' Proceedings of CDC 2002, the 41st IEEE Conference on Decision and Control, vol. 4, pp. 4018-4023, Las Vegas, Nevada, 2002 (invited).

C15. C. N. Hadjicostis, ``Probabilistic Fault Detection in Finite-State Machines Based on State Occupancy Measurements,'' Proceedings of CDC 2002, the 41st IEEE Conference on Decision and Control, vol. 4, pp. 3994-3999, Las Vegas, Nevada, 2002 (invited).

C14. P. G. Voulgaris, C. N. Hadjicostis, and R. Touri, ``Reconstruction of Discrete Data Transmissions: A Worst-Case Optimal Approach,'' Proceedings of MED 2002, the 10th IEEE Mediterranean Conference on Control and Automation, Lisbon, Portugal, 2002.

C13. C. N. Hadjicostis, ``Non-Concurrent Error Detection and Correction in Fault-Tolerant Linear Finite State Machines Systems,'' Proceedings of MED 2002, the 10th IEEE Mediterranean Conference on Control and Automation, Lisbon, Portugal, 2002.

C12. Yingquan Wu and C. N. Hadjicostis, ``Soft-Decision Decoding of Linear Block Codes using Efficient Iterative G-Space Encodings,'' Proceedings of Globecom 2001, the IEEE Global Communications Conference, vol. 2, pp. 921-925, San Antonio, TX, 2001.

C11. C. N. Hadjicostis, ``Non-Concurrent Error Detection and Correction in Discrete-Time LTI Dynamic Systems,'' Proceedings of CDC 2001, the 40th IEEE Conference on Decision and Control, vol. 2, pp. 1899-1904, Orlando, Florida, 2001.

C10. C. N. Hadjicostis, ``Efficient Non-Concurrent Error Identification in Fault-Tolerant LTI Dynamic Systems,'' Proceedings of LC01, the 2001 SIAM Conference on Linear Algebra in Signals, Systems and Control, Boston, MA, 2001 (abstract only).

C9. C. N. Hadjicostis, ``Stochastic Monitoring and Testing of Digital LTI Filters,'' Proceedings of CCSS 2001, the 5th WSES/IEEE Multiconference on Circuits, Systems, Communications and Computers (Advances in Systems Science: Measurement, Circuits and Control), pp. 247-252, Rethymnon, Crete (Greece), 2001.

C8. C. N. Hadjicostis and G. C. Verghese, ``Power System Monitoring Based on Relay and Circuit Breaker Information,'' Proceedings of ISCAS 2001, the 2001 IEEE International Symposium on Circuits and Systems, vol. 2, pp. 197-200, Sydney, Australia, 2001 (invited).

C7. C. N. Hadjicostis, ``Stochastic Testing of Finite State Machines,'' Proceedings of ACC 2001, the 2001 American Control Conference, vol. 6, pp. 4568-4573, Arlington, VA, 2001.

C6. C. N. Hadjicostis, ``Fault-Tolerant Sequence Enumerators,'' Proceedings of MED 2000, the 8th IEEE Mediterranean Conference on Control & Automation, Patras, Greece, 2000.

C5. C. N. Hadjicostis, ``Fault-Tolerant Discrete-Time Linear Time-Invariant Filters,'' Proceedings of ICASSP 2000, the IEEE International Conference on Acoustics, Speech, and Signal Processing, vol. 6, pp. 3311-3314, Istanbul, Turkey, 2000.

C4. C. N. Hadjicostis, ``Fault-Tolerant Dynamic Systems,'' Proceedings of ISIT 2000, the 2000 IEEE International Symposium on Information Theory, p. 444, Sorrento, Italy, 2000.

C3. C. N. Hadjicostis and G. C. Verghese, ``Fault-Tolerant Linear Finite State Machines,'' Proceedings of ICECS 1999, the 6th IEEE International Conference on Electronics, Circuits and Systems, vol. 2, pp. 1085-1088, Paphos, Cyprus, 1999.

C2. C. N. Hadjicostis and G. C. Verghese, ``Design of Fault-Tolerant LTI State-Space Systems,'' Proceedings of MED 1997, the 5th Mediterranean Conference on Control and Systems, Paphos, Cyprus, 1997.

C1. C. N. Hadjicostis and G. C. Verghese, ``Fault-Tolerant Computation in Semigroups and Semirings,'' Proceedings of DSP 1995 International Conference on Digital Signal Processing, vol. 2, pp. 779-784, Limassol, Cyprus, 1995.


Reports


A. Giua, F. Bullo, C. Hadjicostis, C. Seatzu, F. Pasqualetti, 55th IEEE Conference on Decision and Control, CDC 2016 [Conference Reports]
IEEE control systems, vol. 37, no. 4, pp. 104-110, August 2017.

S. T. Cady, A. D. Domınguez-Garcıa, and C. N. Hadjicostis, ``A Distributed Generation Control Architecture for Small-Footprint Power Systems," Technical Report UILU-ENG-13-2206, UIUC Coordinated Science Laboratory, Urbana, IL, July 2013.

N. H. Vaidya, C. N. Hadjicostis, A. D. Dominguez-Garcia, ``Distributed Algorithms for Consensus and Coordination in the Presence of Packet-Dropping Communication Links, Part II: Coefficients of Ergodicity Analysis Approach," Technical Report UILU-ENG-11-2208 (CRHC-11-06), UIUC Coordinated Science Laboratory, Urbana, IL, October 2011.

A. D. Dominguez-Garcia, C. N. Hadjicostis, N. H. Vaidya, ``Distributed Algorithms for Consensus and Coordination in the Presence of Packet-Dropping Communication Links, Part I: Statistical Moments Analysis Approach," Technical Report UILU-ENG-11-2207 (CRHC-11-05), UIUC Coordinated Science Laboratory, Urbana, IL, October 2011.

A. Saboori and C. N. Hadjicostis, ``Delayed State Estimation in Discrete Event Systems and Applications to Security Problems," Technical Report, UIUC Coordinated Science Laboratory, UILU-ENG-082204, February 2008.

C. N. Hadjicostis, ``Probabilistic Fault Detection in Finite-State Machines based on State Occupancy Measurements,'' Technical Report, UIUC Coordinated Science Laboratory, October 2004.

Y. Wu and C. N. Hadjicostis, ``Algebraic Approaches for Centralized and Distributed Fault Identification in Discrete Event Systems,'' Technical Report, UIUC Coordinated Science Laboratory, August 2004.

M. Cao and C. N. Hadjicostis, ``Distributed Algorithms for Voronoi Diagrams and Applications in Ad-hoc Networks,'' Technical Report UILU-ENG-03-2222, DC-210, UIUC Coordinated Science Laboratory, October 2003.

P. G. Voulgaris, C. N. Hadjicostis, and R. Touri, ``On the minimization of probability of error bounds using multi-objective optimization,'' Technical Report, AAE 03-02-UILU ENG 03-0502, UIUC Aerospace Engineering, May 2003.

C. N. Hadjicostis, ``Coding Approaches to Fault Tolerance in Dynamic Systems,'' RLE TR-628, Cambridge, MIT Research Laboratory for Electronics, 1999.

C. N. Hadjicostis, ``Fault-Tolerant Computation in Semigroups and Semirings,'' RLE TR-594, Cambridge, MIT Research Laboratory for Electronics, 1995.


Thesis

C. N. Hadjicostis, ``Coding Approaches to Fault Tolerance in Dynamic Systems,'' Ph.D. Thesis, EECS Department, Massachusetts Institute of Technology, Cambridge, MA, August 1999. Abstract of PhD Thesis.

C. N. Hadjicostis, ``Fault-Tolerant Computation in Semigroups and Semirings,'' MEng Thesis, EECS Department, Massachusetts Institute of Technology, Cambridge, MA, February 1995.

C. N. Hadjicostis, ``Techniques for Solving the Memory Assignment Problem in Multiprocessor Caches,'' SB Thesis, EECS Department, Massachusetts Institute of Technology, Cambridge, MA, May 1993.