Recent Publications and preprints

• Renato Vizuete, Charles Monnoyer de Galland, Paolo Frasca, Elena Panteley and Julien M. Hendrickx, Trends and Questions in Open Multi-agent Systems, Hybrid and Networked Dynamical Systems , R. Postoyan, P. Frasca, E. Panteley, L. Zaccarian, (ed.), Lecture Notes in Control and Information Sciences, vol 493, 2024. [HTML]
• Sébastien Colla and Julien M. Hendrickx Exploiting Agent Symmetries for Performance Analysis of Distributed Optimization Methods, Submitted. [PDF]

• Moslem Zamani, François Glineur, Julien M. Hendrickx On the Set of Possible Minimizers of a Sum of Convex Functions, Submitted. [PDF]

• Nizar Bousselmi, Nelly Pustelnik, Julien M. Hendrickx and François Glineur Comparison of Proximal First-Order Primal and Primal-Dual algorithms via Performance Estimation, Submitted. [PDF]

• Sébastien Colla and Julien M. Hendrickx On the Optimal Communication Weights in Distributed Optimization Algorithms, Submitted. [PDF]

• Julien M. Hendrickx and Alex Olshevsky Convex SGD: Generalization Without Early Stopping, Submitted. [PDF]

• Anne Rubbens, Nizar Bousselmi, Sebastien Colla and Julien M. Hendrickx Interpolation Constraints for Computing Worst-Case Bounds in Performance Estimation Problems, Tutorial at CDC 2023. [PDF]

• Renato Vizuete and Julien M. Hendrickx Nonlinear network identifiability: The static case, CDC 2023. [PDF]

• Antoine Legat and Julien M. Hendrickx Combinatorial Characterization for Global Identifiability of Separable Networks with Partial Excitation and Measurement, CDC 2023. [PDF]

• Balazs Gerencsér and Julien M. Hendrickx Improved Mixing Rates of Directed Cycles with Additional Sparse Interconnections. [PDF]

• Florimond Houssiau, Thibaut, Julien M. Hendrickx and Yves-Alexandre de Montjoye Web privacy: a Formal Adversarial Model for Query Obfuscation, to appear in IEEE Transactions on Information Forensics and Security, 2023. [PDF-IEEE]

• Mingming Shi, Ignace Ransquin, Philippe Chatelain and Julien M. Hendrickx, Whose energy cost would birds like to save? a revisit of the migratory formation flight, Submitted. [PDF]

• Nizar Bousselmi, Julien M. Hendrickx and François Glineur, Interpolation Conditions for Linear Operators and applications to Performance Estimation Problems [PDF], Submitted.

• Wenjun Mei, Julien M. Hendrickx, Ge Chen, Francesco Bullo and Florian Dörfler, Convergence, Consensus and Dissensus in the Weighted-Median Opinion Dynamics, to appear in IEEE Transactions on Automatic Control. [PDF]

• Sébastien Colla and Julien M. Hendrickx, Automatic Performance Estimation for Decentralized Optimization, to appear in IEEE Transactions on Automatic Control. [PDF]

• Charles Monnoyer de Galland, Renato Vizuete, Julien M. Hendrickx, Paolo Frasca and Elena Panteley, Random coordinate descent algorithm for open multi-agent systems with complete topology and homogeneous agents, to appear in IEEE Transactions on Automatic Control. [PDF]

• Baptiste Goujaud, Céline Moucer, François Glineur, Julien M. Hendrickx, Adrien Taylor and Aymeric Dieuleveut, PEPit: computer-assisted worst-case analyses of first-order optimization methods in Python [PDF] [Notebook Version of PEPit]

• Charles Monnoyer de Galland, Samuel Martin and Julien M. Hendrickx, Open Multi-Agent Systems with Variable Size: the Case of Gossiping, Submitted. [PDF]

Journal papers:

1. Charles Monnoyer de Galland, Renato Vizuete, Julien M. Hendrickx, Paolo Frasca and Elena Panteley, Random coordinate descent algorithm for open multi-agent systems with complete topology and homogeneous agents, to appear in IEEE Transactions on Automatic Control. [PDF]

2. Wenjun Mei, Julien M. Hendrickx, Ge Chen, Francesco Bullo and Florian Dörfler, Convergence, Consensus and Dissensus in the Weighted-Median Opinion Dynamics, to appear in IEEE Transactions on Automatic Control. [PDF]

3. Loïc Masure, Gaëtan Cassiers, Julien M. Hendrickx, and François-Xavier Standaert. Information Bounds and Convergence Rates forSide-Channel Security Evaluators. IACR Transactions on Cryptographic Hardware and Embedded Systems, Vol. 2023, no.3, p. 522-569, 2023. [PDF]

4. Florimond Houssiau, Thibaut, Julien M. Hendrickx and Yves-Alexandre de Montjoye Web privacy: a Formal Adversarial Model for Query Obfuscation., to appear in IEEE Transactions on Information Forensics and Security, 2023. [PDF-IEEE]

5. Julien M. Hendrickx and Balazs Gerencsér, Trajectory convergence from coordinate-wise decrease of general convex energy functions, Automatica, Volume 154, 111099, 2023. [PDF]

6. Sébastien Colla and Julien M. Hendrickx, Automatic Performance Estimation for Decentralized Optimization, to appear in IEEE Transactions on Automatic Control. [PDF]

7. Samuel C. Pinto, Sean B. Andersson, Julien M. Hendrickx and Christos G. Cassandras Minimax Persistent Monitoring of a Network System, Automatica, Volume 149, 110808, 2023.[PDF]

8. Farhad Mehdifar, Charalampos P. Bechlioulis, Julien M. Hendrickx and Dimos V. Dimarogonas 2-D Directed Formation Control Based on Bipolar Coordinates. to appear in IEEE Transactions on Automatic Control. [PDF]

9. Wenjun Mei, Francesco Bullo, Ge Chen, Julien M. Hendrickx and Florian Dörfler Rethinking the Micro-Foundation of Opinion Dynamics: Rich Consequences of the Weighted-Median Mechanism, Physical Review Research, 4(2), 023213, 2022. [PDF], [Related tech. report]

10. Charles Monnoyer de Galland and Julien M. Hendrickx, Fundamental Performance Limitations for Average Consensus in Open Multi-Agent Systems, to appear in IEEE Transactions on Automatic Control. [PDF]

11. James R. Riehl, Esteban A. L. Hufstedler, Philippe Chatelain and Julien M. Hendrickx String stability of energy-saving aircraft formations Journal of Guidance, Control, and Dynamics, 45(5), pages 935-943 [PDF]

12. Samuel C. Pinto, Sean B. Andersson, Julien M. Hendrickx and Christos G. Cassandras Multi-Agent Persistent Monitoring of Targets with Uncertain States, IEEE Transactions on Automatic Control, 67(8), pages 3997-4012, 2022 [PDF]

13. Antoni Musolas, Estelle Massart, Julien M. Hendrickx, Pierre-Antoine Absil and Youssef Marzouk. Low-rank multi-parametric covariance identification, BIT Numerical Mathematics, 62(1), 221-249, 2022. [PDF]

14. Luc Rocher, Julien M. Hendirckx and Yves-Alexandre de Montjoye, Estimating the success of re-identifications in incomplete datasets using generative models, Nature Communications, volume 10, Article number: 3069, 2019. [HTML]

15. Julien M. Hendrickx, Balazs Gerencsér and Baris Fidan Trajectory convergence from coordinate-wise decrease of quadratic energy functions, and applications to platoons, IEEE Control Systems Letters, volume 4, issue 1, pages 151-156. 2019 (also presented at CDC19). [PDF]

16. Mickael Temporao, Corentin Vande Kerckhove, Clifton van der Linden, Yannick Dufresne and Julien M. Hendrickx Ideological Scaling of Social Media Users: A Dynamic Lexicon Approach, Political analysis Volume 26 Issue 4, pages 457-473, 2018. [PDF]

17. Balazs Gerencsér and Julien M. Hendrickx, Improved mixing rates of directed cycles by added connection, Journal of Theoretical Probability, Volume 32, Issue 2, pp 684-701, 2019. [PDF]

18. Julien M. Hendrickx, Michel Gevers and Alexandre S. Bazanella, Identifiability of dynamical networks with partial node measurements, IEEE Transactions on Automatic Control, Volume 64, issue 6, pp p. 2240-225, 2019. [PDF]

19. Adrien Taylor, Julien M. Hendrickx and Francois Glineur, Exact worst-case convergence rates of the proximal gradient method for composite convex minimization, Journal of Optimization Theory and Applications (JOTA) , Volume 178, Issue 2, pages 455-476. [PDF]

20. Balazs Gerencsér and Julien M. Hendrickx, Push sum with transmission failures, IEEE Transactions on Automatic Control, Volume 64, Number 3, pages 1019-1033, 2018.[PDF]

21. Franck Iutzeler and Julien M. Hendrickx, A generic online acceleration scheme for optimization algorithms via relaxation and inertia, Optimization Methods and Software, Volume 34, issue 2, pages 383-405, 2019. [PDF]

22. Tao Liu, Ming Cao, Claudio de Persis and Julien M. Hendrickx, Distributed Event-Triggered Control for Asymptotic Synchronization of Dynamical Networks, Automatica, volume 86, pages 199-204, 2017. [PDF]

23. Estelle M. Massart, Julien M. Hendrickx and P.-A. Absil, Matrix geometric means based on shuffled inductive sequences, Linear Algebra and its Applications (LAA), volume 252, pages 334-359, 2018. [PDF]

24. Pierre-Yves Chevalier, Julien M. Hendrickx and Raphaël M. Jungers, Tight Bounds for Consensus Systems Convergence, System and Control Letters, volume 105, pages 78-83, 2017. [PDF]

25. Adrien B. Taylor, Julien M. Hendrickx and François Glineur, Exact Worst-case Performance of First-order Algorithms for Composite Convex Optimization, SIAM journal on Optimization (SIOPT), volume 27, number 3, pages 1283-1313, 2017 [PDF]

26. Alexandre Mauroy and Julien M. Hendrickx, Spectral identification of networks using sparse measurements, SIAM Journal of Applied Dynamical Systems (SIADS), volume 16, number 1, pages 479-513, 2017. [PDF]

27. Arnaud Browet, Julien M. Hendrickx and Alain Sarlette, Incompatibility boundaries for properties of community partitions, IEEE Transactions on Network Science and Engineering Volume 5, issue 1, 32-41, 2017. [PDF]

28. Julien M. Hendrickx and Alex Olshevsky, On symmetric continuum opinion dynamics, SIAM Journal on Control and Optimization (SICON), volume 54, issue 5, pages 2893-2918, 2016. [PDF]

29. Corentin Vande Kerckhove, Samuel Martin, Pascal Gend, Peter J. Rentfrow, Julien M. Hendrickx and Vincent D. Blondel, Modeling influence and opinion evolution in online collective behavior, PLOS ONE, 11(6): e0157685, 2016. [PDF], [HTML]

30. Adrien B. Taylor, Julien M. Hendrickx and François Glineur, Smooth Strongly Convex Interpolation and Exact Worst-case Performance of First-order Methods, Mathematical Programming, volume 61, number 1, pages 307-345, 2017. [PDF]

31. Samuel Martin and Julien M. Hendrickx, Continuous-Time Consensus under Non-Instantaneous Reciprocity, IEEE Transactions on Automatic Control, volume 61, issue 9, pages 2484-2495, 2015. [PDF]

32. Pierre-Yves Chevalier, Julien M. Hendrickx and Raphaël M. Jungers, Efficient Algorithms for the Consensus Decision Problem, SIAM Journal on Control and Optimization (SICON) volume 53, issue 5, pages 3104-3119, 2015. [PDF]

33. Paolo Frasca, Federica Garin, Balazs Gerencser and Julien M. Hendrickx, One-dimensional coverage by unreliable sensors, SIAM journal on control and optimization (SICON), volume 53, issue 5, pages 3120-3140, 2015. [PDF]

34. Julien M. Hendrickx, Guodong Shi and Karl Henrik Johansson, Finite-time consensus using stochastic matrices with positive diagonals, IEEE Transactions on Automatic Control, Volume 60, Issue 4, pages 1070-1073, 2015. [PDF]

35. Julien M. Hendrickx, Karl Henrik Johansson, Raphael M. Jungers, Henrik Sandberg and Kin Cheong Sou, Efficient Computations of a Security Index for False Data Attacks in Power Networks, IEEE Transactions on Automatic Control, volume 59, issue 12, pages 3194-3208, 2014. [PDF]

36. Julien M. Hendrickx, Raphael M. Jungers, Alex Olshevsky and Guillaume Vankeerberghen, Graph diameter, eigenvalues, and minimum-time consensus, Automatica, volume 50, issue 2, pages 635-640, 2014. [PDF]

37. Julien M. Hendrickx, Views in a graph: to which depth must equality be checked?, IEEE Transactions on Parallel and Distributed Systems, Volume 25, Issue 7, pages 1907-1912, 2014. [PDF]

38. Paolo Frasca and Julien M. Hendrickx, On the mean square error of randomized averaging algorithms, Automatica, Volume 49, Issue 8, Pages 2496-2501, 2013. [PDF]

39. Julien M. Hendrickx and John Tsitsiklis, Convergence of type-symmetric and cut-balanced consensus seeking systems, IEEE Transactions on Automatic Control, volume 58, issue 1, pages 214-218, 2013. [PDF extended version]

40. Julien M. Hendrickx, Alex Olshevsky and John Tsitsiklis, Distributed anonymous discrete function computation, IEEE Transactions on Automatic Control, volume 56, issue 10, pages 2276-2289, 2011. [PDF technical report]

41. Vincent D. Blondel, Julien M. Hendrickx and John N. Tsitsiklis, Continuous-time average-preserving opinion dynamics with opinion-dependent communications, SIAM Journal on Control and Optimization (SICON), volume 48, issue 8, pages 5214-5240, 2010. [PDF]
    Related technical report: Existence and uniqueness of solutions for a continuous-time opinion dynamics model with state-dependent connectivity. [PDF]

42. Julien M. Hendrickx and Alex Olshevsky, Matrix P-norms are NP-hard to approximate if p \neq 1,2, \infty, SIAM Journal on Matrix Analysis and Applications (SIMAX), volume 31, issue 5, pages 2802-2812, 2010. [PDF]

43. Baris Fidan, Julien M. Hendrickx and Brian D.O. Anderson, Closing Ranks in Rigid Multi-Agent Formations Using Edge Contraction, International Journal of Robust and Nonlinear Control, volume 20, issue 18, pages 2077-2092, 2010.

44. Vincent D. Blondel, Julien M. Hendrickx and John N. Tsitsiklis, On Krause's multi-agent consensus model with state-dependent connectivity, IEEE Transactions on Automatic Control, volume 54, issue 11, pages 2586-2597, 2009. [PDF]

45. Brian D.O. Anderson, Changbin Yu, Baris Fidan and Julien M. Hendrickx, Rigid graph control architecture for autonomous formations. IEEE Control Systems Magazine, volume 28, Issue 6, pages 48-63, 2008.

46. Julien M. Hendrickx, Order preservation in a generalized version of Krause's opinion dynamics model. Physica A, volume 387, Issue 21, Pages 5255-5262, 2008. [PDF]

47. Vincent D. Blondel, Julien M. Hendrickx and Raphael Jungers, Solitaire Clobber as an Optimization Problem on Words Integers: Electronic Journal of Combinatorial Number Theory, volume 8, G4, 2008. [PDF]

48. Vincent D. Blondel, Jean-Loup Guillaume, Julien M. Hendrickx, Cristobald de Kerchove and Renaud Lambiotte, Local Leaders in Random Networks. Physical Review E, volume 77, 036114, 2008. [PDF]

49. Vincent D. Blondel, Jean-Loup Guillaume, Julien M. Hendrickx and Raphael Jungers, Distance distribution in random graphs and application to networks exploration. Physical Review E, volume 76, 066101, 2007. [PDF]

50. Julien M. Hendrickx, Changbin Yu, Baris Fidan, and Brian D.O. Anderson, Rigidity and persistence for ensuring shape maintenance in multiagent meta-formations. Asian Journal of control, Volume 10, Issue 2 (special issue on Collective Behavior and Control of Multi-Agent Systems), pages 131-143, 2008. [PDF ext'd version]

51. Julien M. Hendrickx, Baris Fidan, Changbin Yu, Brian D.O. Anderson and Vincent D. Blondel, Formation Reorganization by Primitive Operations on Directed Graphs. IEEE Transactions on Automatic Control, volume 53, number 4, pages 968-979, May 2008 [PDF] [Related tech. report].

52. Changbin Yu, Julien M. Hendrickx, Baris Fidan, Brian D. O. Anderson, Vincent D. Blondel, Three and higher dimensional autonomous formations: rigidity, persistence and structural persistence. Automatica, Volume 43, Issue 3, March 2007, pages 387-402.

53. Julien M. Hendrickx, Brian D.O. Anderson, Jean-Charles Delvenne and Vincent D. Blondel, Directed graphs for the analysis of rigidity and persistence in autonomous agents systems, International journal of robust and nonlinear control, 17:960-981, 2007. [PDF]

54. Julien M. Hendrickx, Philippe H. Geubelle and Nancy R. Sottos, A spectral scheme for the simulation of dynamic mode 3 delamination of thin films, Engineering Fracture Mechanics, Volume 72, Issue 12, Pages 1866-1891, August 2005. [PDF]

Book Chapters:

1. Renato Vizuete, Charles Monnoyer de Galland, Paolo Frasca, Elena Panteley and Julien M. Hendrickx, Trends and Questions in Open Multi-agent Systems, Hybrid and Networked Dynamical Systems , R. Postoyan, P. Frasca, E. Panteley, L. Zaccarian, (ed.), Lecture Notes in Control and Information Sciences, vol 493, 2024. [HTML]
2. Baris Fidan, Brian D.O. Anderson, Changbin Yu and Julien M. Hendrickx, Persistent autonomous formations and cohesive motion control, Modeling and Control of Complex Systems, P. Ioannou and A. Pitsillides (ed.), CRC Press, 2007

Conference papers:

1. Anne Rubbens, Nizar Bousselmi, Sebastien Colla and Julien M. Hendrickx Interpolation Constraints for Computing Worst-Case Bounds in Performance Estimation Problems, Tutorial to be presented at CDC 2023. [PDF]

2. Renato Vizuete and Julien M. Hendrickx Nonlinear network identifiability: The static case, To be presented at CDC 2023. [PDF]

3. Antoine Legat and Julien M. Hendrickx Combinatorial Characterization for Global Identifiability of Separable Networks with Partial Excitation and Measurement, To be presented at CDC 2023. [PDF]

4. Yassine Kamri, Julien M. Hendrickx and François Glineur On the Worst-Case Analysis of Cyclic Coordinate-Wise Algorithms on Smooth Convex Functions, to be presented at ECC 2023. [PDF]

5. Sébastien Colla and Julien M. Hendrickx, Automated Performance Estimation for Decentralized Optimization via Network Size Independent Problems, Proceedings of the 59th IEEE Conference on Decision and Control (CDC 2022), pages 5185-5191 Cancun (Mexico), December 2022 [PDF]

6. Charles Monnoyer de Galland, Renato Vizuete, Julien M. Hendrickx, Paolo Frasca and Elena Panteley, Resource allocation in open multi-agent systems: an online optimization analysis, Proceedings of the 59th IEEE Conference on Decision and Control (CDC 2022), pages 5192-5199 Cancun (Mexico), December 2022. [PDF]

7. Sébastien Colla and Julien M. Hendrickx Automated Worst-Case Performance Analysis of Decentralized Gradient Descent Proceedings of the 58th IEEE Conference on Decision and Control (CDC 2021), Austin (TX, USA) pages 2627-2633, December 2021. [PDF]

8. Mingming Shi and Julien M. Hendrickx Energy savings alone cannot explain the emergence of birds echelon formations Proceedings of the 58th IEEE Conference on Decision and Control (CDC 2021), Austin (TX, USA) pages 6964-6969, December 2021. [PDF]

9. Antoine Legat and Julien M. Hendrickx Path-Based Conditions for Local Network Identifiability Proceedings of the 58th IEEE Conference on Decision and Control (CDC 2021), Austin (TX, USA) pages 3024-3029, December 2021. [PDF - extended version]

10. Charles Monnoyer de Galland, Renato Vizuete, Julien M. Hendrickx, Paolo Frasca and Elena Panteley Random coordinate descent algorithm for open multi-agent systems with complete topology and homogeneous agents Proceedings of the 58th IEEE Conference on Decision and Control (CDC 2021), Austin (TX, USA) pages 1701-1708, December 2021. [PDF]

11. Samuel C. Pinto, Sean B. Andersson, Julien M. Hendrickx and Christos G. Cassandras A Semidefinite Programming Approach to Discrete-time Infinite Horizon Persistent Monitoring, Proceedings of the European Control Conference (ECC 21), Rotterdam (Netherlands), pages 799-804, July 2021. [PDF]

12. Samuel C. Pinto, Sean B. Andersson, Julien M. Hendrickx and Christos G. Cassandras Optimal Minimax Mobile Sensor Scheduling Over a Network, Proceedings of the American Control Conference (ACC 21), New Orleans (LA, USA), pages 1180-1185, June 2021. [PDF]

13. Antoine Legat, Julien M. Hendrickx Local Network Identifiability with Partial Excitation and Measurement, Proceedings of the 57th IEEE Conference on Decision and Control (CDC 2020), Jeju (Korea), pages 4342-4347, December 2020. [PDF].

14. Julien M. Hendrickx and Michael G. Rabbat Stability of Decentralized Gradient Descent in Open Multi-Agent Systems Proceedings of the 57th IEEE Conference on Decision and Control (CDC 2020), Jeju (Korea), pages 4885-4890, December 2020. [PDF]

15. Julien M. Hendrickx, Alex Olshevsky and Venkatesh Saligrama, Minimax Rate for Learning From Pairwise Comparisons in the BTL Model, Proceedings of the 37th International Conference on Machine Learning (ICML 2020). [PDF], [PDF Supplementary Material].

16. Georgios Birpoutsoukis and Julien M. Hendrickx Gaussian process regression for the estimation of stable univariate time-series processes. Proceedings of the 28th European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning (ESANN 2020), Bruges (Belgium), pages 685-690, October 2020. [PDF]

17. Julien M. Hendrickx, Alex Olshevsky and Venkatesh Saligrama, Minimax Rank-1 Factorization, Proceedings of the 23rd International Conference on Artificial Intelligence and Statistics (AISTATS 2020). [PDF], [PDF Supplementary Material]

18. Samuel C. Pinto, Sean B. Andersson, Julien M. Hendrickx and Christos G. Cassandras Multi-Agent Infinite Horizon Persistent Monitoring of Targets with Uncertain States in Multi-Dimensional Environments, Proceedings of IFAC world congress 2020, pages 10963-10968, Berlin (Germany), July 2020. [PDF]

19. Wenjun Mei, Francesco Bullo, Ge Chen, Julien M. Hendrickx, and Florian Dörfler Rethinking the Micro-Foundation of Opinion Dynamics: Rich Consequences of an Inconspicuous Change, Proceedings of IFAC world congress 2020, pages 307-310, Berlin (Germany), July 2020. [PDF]

20. Samuel C. Pinto, Sean B. Andersson, Julien M. Hendrickx and Christos G. Cassandras Optimal Periodic Multi-Agent Persistent Monitoring of a Finite Set of Targets with Uncertain States, Proceedings of the American Control Conference (ACC 20), Denver (CO, USA), pages 5207-5212, June 2020. [PDF]

21. Charles Monnoyer de Galland and Julien M. Hendrickx, Lower bound performances for average consensus in open multi-agent systems, Proceedings of the 56th IEEE Conference on Decision and Control (CDC 2019), Nice (France), pages 7429-7434, December 2019. [PDF]

22. Samuel C. Pinto, Sean B. Anderson, Julien M. Hendrickx and Christos G. Cassandras, Optimal Multi-Agent Persistent Monitoring of the Uncertain State of a Finite Set of Targets, Proceedings of the 56th IEEE Conference on Decision and Control (CDC 2019), Nice (France),pages 4280-4285, December 2019. [PDF]

23. Alex Bazanella, Michel Gevers and Julien M. Hendrickx, Network Identification with Partial Excitation and Measurement, Proceedings of the 56th IEEE Conference on Decision and Control (CDC 2019), Nice (France), pages 5500-5506, December 2019. [PDF]

24. Olivier Bronchain, Julien M. Hendrickx, Clément Massart, Alex Olshevsky and François-Xavier Standaert, Leakage Certification Revisited: Bounding Model Errors in Side-Channel Security Evaluations, Proceedings of the 39th Annual International Cryptology Conference (CRYPTO 2019) August 2019 Santa Barbara, CA USA [PDF]

25. Estelle Massart, Julien M. Hendrickx, P.-A. Absil, Curvature of the manifold of fixed-rank positive-semidefinite matrices endowed with the Bures-Wasserstein metric, Proceedings of the Fourth International Conference on Geometric Science of Information (GSI 2019), Toulouse (France), August 2019. [PDF]

26. Julien M. Hendrickx, Alex Olshevsky and Venkatesh Saligrama, Graph Resistance and Learning from Pairwise Comparisons , 36th International Conference on Machine Learning (ICML 2019), Long Beach (CA, USA), June 2019. [PDF]

27. Julien M. Hendrickx and Samuel Martin Open Multi-Agent Systems: Gossiping with Random Arrivals and Departures Proceedings of the 56th IEEE Conference on Decision and Control (CDC 2017), Melbourne (Australia), December 2017. [PDF]

28. Mahmoud Abdelrahim, Julien M. Hendrickx and W.P.M.H. Heemels MAX-consensus in open multi-agent systems with gossip interactions Proceedings of the 56th IEEE Conference on Decision and Control (CDC 2017), Melbourne (Australia), December 2017. [PDF]

29. Adrien B. Taylor, Julien M. Hendrickx and François Glineur Performance Estimation Toolbox (PESTO): automated worst-case analysis of first-order optimization methods Proceedings of the 56th IEEE Conference on Decision and Control (CDC 2017), Melbourne (Australia), December 2017. [PDF]

30. Alexandre S. Bazanella, Michel Gevers, Julien M. Hendrickx and Adriane Parraga, Identifiability of dynamical networks: which nodes need be measured? Proceedings of the 56th IEEE Conference on Decision and Control (CDC 2017), Melbourne (Australia), December 2017. [PDF]

31. Alexandre Mauroy and Julien M. Hendrickx, Spectral identification of networks with inputs Proceedings of the 56th IEEE Conference on Decision and Control (CDC 2017), Melbourne (Australia), December 2017. [PDF]

32. Pierre-Yves Gousenbourger, Estelle Massart, Antoni Musolas, P.-A. Absil, Julien M. Hendrickx, Laurent Jacques and Youssef Marzouk Piecewise-Bézier C^1 smoothing on manifolds with application to wind field estimation Proceedings of the 25th European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning (ESANN 2017), April 2017. [PDF]

33. Julien M. Hendrickx and Samuel Martin, Open Multi-Agent Systems: Gossiping with Deterministic Arrivals and Departures. Proceedings of the Fifty-Fourth Annual Allerton Conference on Communication, Control, and Computing, Monticello, Illinois, September 2016. [PDF]

34. Dimitri de Smet, Marc Francaux, Julien M. Hendrickx and Michel Verleysen, Heart rate modelling as a potential physical fitness assessment for runners and cyclists. Proceedings of the Machine Learning and Data Mining for Sports Analytics Workshop at ECML/PPKD. Riva del Garda, Italy, September 2016. [PDF]

35. Corentin Vande Kerckhove, Samuel Martin, Pascal Gend and Julien M. Hendrickx The unpredictability of human opinion dynamics. Proceedings of the 2nd Annual International Conference on Computational Social Science, (ICCSS 2016), Evanston (IL, USA), June 2016. [PDF]

36. Estelle M. Massart, Julien M. Hendrickx, P.-A. Absil Extending a two-variable mean to a multi-variable mean 24th European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning (ESANN 2016), Bruges, Belgium, April 2016. [PDF]

37. Pierre-Yves Chevalier, Julien M. Hendrickx and Raphaël Jungers, Reachability of Consensus and Synchronizing Automata. Proceedings of the 54rd IEEE Conference on Decision and Control (CDC 2015), Osaka (Japan), December 2015. [PDF]

38. Riccardo Lucchese, Damiano Varagnolo, Jean-Charles Delvenne and Julien Hendrickx, Network cardinality estimation using max consensus: the case of Bernoulli trials. Proceedings of the 54rd IEEE Conference on Decision and Control (CDC 2015), Osaka (Japan), December 2015. [PDF]

39. Julien M. Hendrickx and John N. Tsitsiklis, Fundamental limitations for anonymous distributed systems with broadcast communications. Proceedings of the Fifty-Third Annual Allerton Conference on Communication, Control, and Computing, Monticello, Illinois, September 2015. [PDF]

40. Balazs Gerencser, Julien M. Hendrickx and Paul Van Dooren Spectral gap of Markov chains on a cycle. Proceedings of the European Control Conference 2015 (ECC'15), Linz (Austria), July 2015. [PDF]

41. Julien M. Hendrickx, A Lifting Approach to Models of Opinion Dynamics with Antagonisms. Proceedings of the 53rd IEEE Conference on Decision and Control (CDC 2014), Los Angeles (CA, USA), December 2014. [PDF]

42. Pierre-Yves Chevalier, Julien M. Hendrickx and Raphael M. Jungers, A switched Systems approach to the decidability of consensus. Proceedings of the 21st International Symposium on Mathematical Theory of Networks and Systems (MTNS 2014), Groningen (The Netherlands), July 2014. [PDF]

43. Guillaume Vankeerberghen, Julien M. Hendrickx, Raphael M. Jungers, Laurence A. Wolsey, An efficient technique for solving the scheduling of appliances in smart-homes. Proceedings of the 2014 American Control Conference (ACC 2014), Portland (OR, USA), June 2014.[PDF]

44. Guillaume Vankeerberghen, Julien M. Hendrickx, Raphael M. Jungers, JSR: a toolbox for computing the Joint Spectral Radius. Proceedings of the 17th International Conference on Hybrid Systems: Computation and Control (HSCC 2014), Berlin (Germany), April 2014. [PDF]

45. Julien M. Hendrickx and Alex Olshevsky, Symmetric Continuum Opinion Dynamics: Convergence, but sometimes only in Distribution Proceedings of The 52nd IEEE Conference on Decision and Control (CDC 2013), Florence (Italy), December 2013. [PDF]

46. Claudio De Persis, Paolo Frasca and Julien M. Hendrickx Self-triggered rendezvous of gossiping second-order agents Proceedings of The 52nd IEEE Conference on Decision and Control (CDC 2013), Florence (Italy), December 2013. [PDF]

47. Tao Liu, Ming Cao, Claudio De Persis and Julien M. Hendrickx, Distributed Event-Triggered Control for Synchronization of Dynamical Networks with Estimators Proceedings of The 4th IFAC Workshop on Distributed Estimation and Control in Networked Systems (NecSys 2013), Koblenz (Germany), September 2013. [PDF]

48. Paolo Frasca and Julien M. Hendrickx, Large network consensus is robust to packet losses and interferences, Proceedings of European Control Conference 2013 (ECC'13), Zurich (Switzerland), July 2013. [PDF]

49. Julien M. Hendrickx and John N. Tsitsiklis, A new condition for convergence in continuous-time consensus seeking systems, Proceedings of the 50th IEEE Conference on Decision and Control (CDC 2011), Orlando (FL, USA), December 2011. [PDF]

50. Vincent D. Blondel, Julien M. Hendrickx and John N. Tsitsiklis, Opinion dynamics for agents with opinion-dependent connections, Proceedings of the 49th IEEE Conference on Decision and Control (CDC 2010), Atlanta (GA, USA), December 2010.

51. Alexandre Mauroy, Julien. M. Hendrickx, Alexandre Megretski and Rodolphe Sepulchre Global analysis of Firing Maps , Proceedings of the 19th International Symposium on Mathematical Theory of Networks and Systems (MTNS2010), Budapest (Hungary), July 2010. [PDF]
    Related Technical Report: Proof of Proposition 4 in "Global analysis of firing maps, MTNS2010". [PDF]

52. Julien. M. Hendrickx, Alex Olshevsky, John .N. Tsitsiklis, Distributed Anonymous Function Computation in Information Fusion and Multiagent Systems, Proceedings of the Forty-Seventh Annual Allerton Conference on Communication, Control, and Computing, Monticello, Illinois, September 2009. [PDF]

53. Baris Fidan, Julien M. Hendrickx, and Brian D.O. Anderson, Edge contraction based maintenance of rigidity in multi-agent formations during agent loss, Proceedings of the 17th Mediterranean Conference on Control and Automation, Thessaloniki, Greece, June 2009.

54. Vincent D. Blondel, Julien M. Hendrickx and John N. Tsitsiklis, On the 2R conjecture for multi-agent systems. Proceedings of the European control conference 2007 (ECC 2007), Kos (Greece), July 2007, 874-881. [PDF]

55. Julien M. Hendrickx, Changbin Yu, Baris Fidan, Brian D.O. Anderson, Rigidity and Persistence of Meta-Formations. Proceedings of the 45th IEEE Conference on Decision and Control, San Diego (CA, USA), December 2006, 5980-5985. [PDF]

56. Changbin Yu, Baris Fidan, Julien M. Hendrickx, Brian D.O. Anderson, Merging Multiple Formations: A Meta-Formation Prospective. Proceedings of the 45th IEEE Conference on Decision and Control, San Diego (CA, USA), December 2006, 4657-4663. [PDF]

57. Brian D. O. Anderson, Changbin Yu, Baris Fidan and Julien M. Hendrickx, Control and Information Architectures for Formations, Proceedings of the IEEE International Conference on Control Applications (CCA), Munchen (Germany), October 2006, 1127-1138. [PDF]

58. Brian D. O. Anderson, Changbin Yu, Baris Fidan and Julien M. Hendrickx, Use of Meta-Formations for Cooperative Control, Proceedings of the 17th International Symposium on Mathematical Theory of Networks and Systems (MTNS2006), Kyoto (Japan), July 2006, 2381-2387 [PDF]

59. Julien M. Hendrickx and Vincent D. Blondel Convergence of different linear and non-linear Vicsek models, Proceedings of the 17th International Symposium on Mathematical Theory of Networks and Systems (MTNS2006), Kyoto (Japan), July 2006, 1229-1240. [PDF corrected version]

60. Julien M. Hendrickx, Baris Fidan, Changbin Yu, Brian D. O. Anderson and Vincent Blondel Elementary operations for the reorganization of minimally persistent formations, Proceedings of the 17th International Symposium on Mathematical Theory of Networks and Systems (MTNS2006), Kyoto (Japan), July 2006, 859-873. [PDF]

61. Vincent D. Blondel, Julien M. Hendrickx, Alex Olshevsky, and John N. Tsitsiklis, Convergence in Multiagent Coordination, Consensus, and Flocking, Proceedings of the 44th IEEE Conference on Decision and Control, Sevilla (Spain), December 2005.[PDF corrected]

62. Julien M. Hendrickx, Brian D. O. Anderson and Vincent D. Blondel, Rigidity and persistence of directed graphs, Proceedings of the 44th IEEE Conference on Decision and Control, Sevilla (Spain), December 2005.[PDF]

63. Julien M. Hendrickx, Baris Fidan, Changbin Yu, Brian D.O. Anderson, and Vincent D. Blondel, Rigidity and Persistence of Three and Higher Dimensional Formations, Proceedings of the 1st International workshop on Multi-Agent Robotic Systems MARS 2005, Barcelona (Spain), September 2005, 39-46.[PDF]

64. Changbin Yu, Julien M. Hendrickx, Baris Fidan, Brian D.O. Anderson Structural Persistence of Three Dimensional Autonomous Formations Proceedings of the 1st International workshop on Multi-Agent Robotic Systems MARS 2005, Barcelona (Spain), September 2005, 47-55.[PDF]

65. Philippe. H. Geubelle, Julien M. Hendrickx and Nancy R. Sottos Spectral Scheme for the analysis of Dynamic Delamination of a Thin Film, Proceedings of ICF XI International Symposium on Fracture Mechanics, Turin (Italy), March 2005. [PDF]

Others and Technical reports:

1. Claudio Altafini, Giacomo Como, Julien M. Hendrickx, Alexander Olshevsky and Ali-Reza Tahbaz-Salehi Guest Editorial Special Issue on Dynamics and Behaviors in Social Networks, IEEE Transactions on Control of Network Systems, 9(3), 1053-1055, 2022. [PDF]

2. Julien M. Hendrickx Interview in "People in Control", IEEE Control Systems Magazine, 40, 21, August 2020. [HTML]

3. Christopher Lindberg, Julien M. Hendrickx and Henk Wymeersch, Optimizing Reweighted Belief Propagation for Likelihood Consensus Problems. [PDF]

4. Pierre-Yves Chevalier, Vladimir V. Gusev, Raphaël M. Jungers and Julien M. Hendrickx, Sets of Stochastic Matrices with Converging Products: Bounds and Complexity. [PDF]

Theses:

1. Julien M. Hendrickx, Graphs and networks for the analysis of autonomous agent systems, PhD Thesis, Université catholique de Louvain, Department of Mathematical Engineering, February 2008. [PDF]

2. Julien M. Hendrickx, Spectral Scheme for Analysis of Dynamic Delamination of a Thin Film, Engineering Thesis, Université catholique de Louvain, Faculté des sciences appliquées (research mainly pursued at the University of Illinois at Urbana Champaign, June 2004. [PDF]