PhD Thesis

A. Fontan, Collective decision-making on networked systems in presence of antagonistic interactions, Linköping Studies in Science and Technology. Dissertations, No. 2166, 2021 [DiVA]

Journal papers

  1. M. Farjadnia, A. Fontan, K. H. Johansson, and M. Molinari, Assessing the impact of occupant behavior on residential building performance: A case study of window operation, Building and Environment, vol. 297, p. 114552, 2026, DOI: 10.1016/j.buildenv.2026.114552
  2. A. Fontan, R. Green, K. H. Johansson, and P. Eustachio Colombo, Social Interactions for Sustainable Food Choices: Meeting the Target for Meat Intake in the United Kingdom, Current Developments in Nutrition, vol. 9 (9), p. 107509, 2025, DOI: 10.1016/j.cdnut.2025.107509
  3. A. Fontan, P. Eustachio Colombo, R. Green, and K. H. Johansson, A systems perspective on promoting sustainable food systems, Annual Reviews in Control, vol. 60 (July), p. 101020, 2025, DOI: 10.1016/j.arcontrol.2025.101020
  4. A. Fontan, and C. Altafini, From populations to networks: Relating diversity indices and frustration in signed graphs, PNAS Nexus, vol. 3 (2), pp. 1–11, 2024, DOI: 10.1093/pnasnexus/pgae046
  5. A. Fontan, and C. Altafini, Pseudoinverses of signed Laplacian matrices, SIAM Journal on Matrix Analysis and Applications (SIMAX), vol. 44 (2), pp. 622--647, 2023, DOI: 10.1137/22M1493392 [pdf]
  6. A. Fontan, L. Wang, Y. Hong, G. Shi, and C. Altafini, Multi-agent consensus over time-invariant and time-varying signed digraphs via eventual positivity, IEEE Transactions on Automatic Control, vol. 68 (9), pp. 5429--5444, 2023, DOI: 10.1109/TAC.2022.3225472, [pdf, arXiv:2203.04215]
  7. A. Fontan and C. Altafini, The role of frustration in collective decision-making dynamical processes on multiagent signed networks, IEEE Transactions on Automatic Control, vol. 67 (10), pp. 5191--5206, 2022, DOI: 10.1109/TAC.2021.3123222 [pdf]
  8. A. Fontan and C. Altafini, A signed network perspective on the government formation process in parliamentary democracies, Scientific Reports, vol. 11 (5134), 2021, DOI: 10.1038/s41598-021-84147-3 [pdf, SI]
  9. A. Fontan, G. Shi, X. Hu and C. Altafini, Interval Consensus for Multiagent Networks, IEEE Transactions on Automatic Control, vol. 65 (5), pp. 1855--1869, 2019, DOI: 10.1109/TAC.2019.2924131 [pdf]
  10. A. Fontan and C. Altafini, Multiequilibria Analysis for a Class of Collective Decision-Making Networked Systems, IEEE Transactions on Control of Network Systems, vol. 5 (4), pp. 1931--1940, 2018, DOI: 10.1109/TCNS.2017.2774014 [pdf]

Conference papers (peer-reviewed)

  1. M. Alutto, F. Dabbene, A. Fontan, K. H. Johansson, and C. Ravazzi, On a Coupled Adoption-Opinion Framework for Competing Innovations, 23rd IFAC World Congress, Busan, Korea, Aug 2026. arXiv:2601.16719
  2. M. Alutto, L. Zino, K. H. Johansson, and A. Fontan, On a Co-evolving Opinion-Leadership Model in Social Networks, 23rd IFAC World Congress, Busan, Korea, Aug 2026.
  3. Y. Tian, A. Sheng, A. Fontan, L. Wang, and K. H. Johansson, Susceptibility optimization and the wisdom of crowds in influence networks, 23rd IFAC World Congress, Busan, Korea, Aug 2026.
  4. C. Song, V. Cvetkovic, A. Fontan, R. Su, and K. H. Johansson, Impact of Attitude and Bounded Rationality on Collective Behavioral Transitions, 23rd IFAC World Congress, Busan, Korea, Aug 2026.
  5. P. Grünter, K. H. Johansson, and A. Fontan, Trust in the Friedkin-Johnsen model: Incentives under partial information, 23rd IFAC World Congress, Busan, Korea, Aug 2026.
  6. M. Farjadnia, K. Eshkofti, A. Apell, T. Hjalmarsson, K. H. Johansson, A. Fontan, M. Molinari, Generalizability of Learning-based Occupancy Detection in Residential Buildings, 23rd IFAC World Congress, Busan, Korea, Aug 2026.
  7. W. J. A. van Weerelt, A. Fontan, N. Bastianello, Adaptive Online Optimization for Microgrids with Renewable Energy Sources, 23rd IFAC World Congress, Busan, Korea, Aug 2026. arXiv:2512.04778
  8. C. Song, A. Fontan, R. Su, J. M. Hendrickx, V. Cvetkovic, and K. H. Johansson, On the Convergence of an Opinion-Action Coevolution Model with Bounded Confidence, 24th European Control Conference, Reykjavík, Iceland, Jul 2026. arXiv:2604.06140
  9. P. Sekercioglu, N. Wang, A. Fontan, and D. V. Dimarogonas, Topology Identification of Dynamical Signed Graphs, 24th European Control Conference, Reykjavík, Iceland, Jul 2026.
  10. A. Fontan and S. Zhang, Collective decision-making dynamics in hypernetworks, in 64th IEEE Conference on Decision and Control, Rio de Janeiro, Brazil, 2025.
  11. P. Sekercioglu, A. Fontan, D. V. Dimarogonas, Stability of Open Multi-agent Systems over Dynamic Signed Graphs, 64th IEEE Conference on Decision and Control, Rio de Janeiro, Brazil, Dec 2025.
  12. A. Fontan, V. Cvetkovic, P. Herman, J. Sundh, K. H. Johansson, Exploring rationality of prospect choices among decision-makers in a population, 5th IFAC Workshop on Cyber-Physical and Human Systems, Antalya, Turkey, Dec 2024.
  13. A. Fontan, P. Eustachio Colombo, R. Green, K. H. Johansson, Influencing Opinion Dynamics to Promote Sustainable Food Choices, 5th IFAC Workshop on Cyber-Physical and Human Systems, Antalya, Turkey, Dec 2024.
  14. M. Farjadnia, A. Fontan, A. Alanwar, M. Molinari, and K. H. Johansson, Robust Data-Driven Tube-Based Zonotopic Predictive Control with Closed-Loop Guarantees, 63rd IEEE Conference on Decision and Control (CDC), Milan, Italy, December 16-19, 2024 [arXiv:/2409.14366]
  15. M. Farjadnia, A. Fontan, A. Russo, K. H. Johansson, and M. Molinari, What influences occupants' behavior in residential buildings? An experimental study on window operation in the KTH Live-In Lab, 7th IEEE Conference on Control Technology and Applications (CCTA), Bridgetown, Barbados, August 16-18, 2023 [arXiv:2307.08090]
  16. A. Fontan, M. Farjadnia, J. Llewellyn, C. Katzeff, M. Molinari, V. Cvetkovic, and K. H. Johansson, Social interactions for a sustainable lifestyle: The design of an experimental case study, 22nd IFAC World Congress, Yokohama, Japan, July 2023 [pdf,arXiv:2309.11310]
  17. L. Wang, A. Fontan, Y. Hong, G. Shi, and Claudio Altafini, Multi-agent consensus over signed graphs with switching topology, 20th European Control Conference (ECC), London, UK, July 2022
  18. A. Fontan and C. Altafini, On the properties of Laplacian pseudoinverses, 60th IEEE Conference on Decision and Control (CDC), Austin, Texas, USA, December 2021, DOI: 10.1109/CDC45484.2021.9683525
  19. A. Fontan and C. Altafini, Describing government formation processes through collective multiagent dynamics on signed networks (extended abstract), 1st Virtual IFAC World Congress, July 2020
  20. A. Fontan and C. Altafini, Achieving a decision in antagonistic multiagent networks: frustration determined commitment strength, 57th IEEE Conference on Decision and Control (CDC), Miami Beach, FL, USA, December 2018, DOI: 10.1109/CDC.2018.8619615 [pdf]
  21. A. Fontan and C. Altafini, Investigating mixed-sign equilibria for nonlinear collective decision-making systems, 56th IEEE Conference on Decision and Control (CDC), Melbourne, Australia, December 2017, DOI: 10.1109/CDC.2017.8263755
  22. A. Fontan, G. Shi, X. Hu and C. Altafini, Interval Consensus: a novel class of constrained consensus problems for multiagent networks, 56th IEEE Conference on Decision and Control (CDC), Melbourne, Australia, December 2017, DOI: 10.1109/CDC.2017.8264270

Chapters in Books

  1. S. Hirche, A. Ames, T. Samad, A. Fontan, F. Lamnabhi-Lagarrigue, Cyber-physical Human Systems, Ch. 4.D, in Control for Societal-scale Challenges: Road Map 2030, Eds. A. M. Annaswamy, K. H. Johansson, and G. J. Pappas, IEEE Control Systems Society Publication, 2023, ieeecss.org/control-societal-scale-challenges-roadmap-2030