ENS de Lyon, 4–6 November 2026
What are complex systems? (Philosophy & Epistemology)
| Time | Speaker | Affiliation | Title |
|---|---|---|---|
| 09:00–09:30 | Opening ceremony - Patrice Abry, Emmanuel Trizac | ||
| 09:30–10:15 | Karoline Wiesner | University of Potsdam | From Emergence to Explanation: The Science of Complex Systems |
| 10:15–10:45 | Coffee break | ||
| 10:45–11:30 | Jean-Pierre Dupuy | Stanford University | The Self-Transcendence of the Future |
| 11:30–12:30 | Sara Franceschelli - Questions & discussions | ||
| 12:30–14:30 | Lunch | ||
Complex systems & physics, graphs and networks, biology
| Time | Speaker | Affiliation | Title |
|---|---|---|---|
| 14:30–15:15 | Marc Mézard | Bocconi University, Milano, Italy | Memorization and generalization in the light of generative AI |
| 15:15–16:00 | Albert-László Barabási | Network Science Institute and Department of Physics, Northeastern University, Division of Network Medicine, Harvard University, Department of Network and Data Science, Central European University | Network Science: Decoding the Architecture of Complexity |
| 16:00–16:30 | Coffee break | ||
| 16:30–17:15 | Sergi Valverde | IBE, CSIC–UPF, Barcelona | Software as an Evolving Ecology: Tinkering, Spandrels, and the Growth of Artificial Complexity |
| 17:15–18:00 | Pierre Borgnat - Questions & discussions | ||
Complex systems & institutions
| Time | Speaker | Affiliation | Title |
|---|---|---|---|
| 18:20–18:40 | Michel Morvan | Co-Founder and Chief Science Officer of Cosmo Tech, President of IRT SystemX | From Academia to Industry: Translating Complex Systems Research into Practice |
| 18:40–19:00 | Annick Lesne | CNRS & University of Montpellier | Promoting the science of complex systems in France, from 2000 to present |
| 19:00–19:20 | Questions & discussions | ||
| 19:30–19:50 | Jean Dhombres | Ecole des Hautes Etudes en Sciences Sociales | Epistemological perspectives on twenty years of IXXI: a tentative of cross-analysis of reports, readings and interviews |
| 19:50–20:10 | Jean-Philippe Magué | ENS Lyon | IXXI as a dynamical system: 20 years of archives |
| 20:10–20:30 | Patrice Abry - Questions & discussions | ||
| 20:30–22:00 | Cocktail reception | ||
Complex systems & neurosciences, economics, ecosystems
| Time | Speaker | Affiliation | Title |
|---|---|---|---|
| 09:00–09:45 | Fabrizio De Vico Fallani | NERV Lab, Paris Brain Institute | Networked minds: from brains to machines |
| 09:45–10:30 | Tiziana Di Matteo | King's College, London | Thinking Complexity in Economic and Financial Systems: An Econophysics Perspective |
| 10:30–11:00 | Coffee break | ||
| 11:00–11:45 | Sonia Kéfi | CNRS & ISEM Montpellier | Nature: resilient yet fragile |
| 11:45–12:30 | Cécile Bastidon - Questions & discussions | ||
| 12:30–14:30 | Lunch | ||
Complex systems & social sciences
| Time | Speaker | Affiliation | Title |
|---|---|---|---|
| 14:30–15:15 | Céline Rozenblat | Institut de géographie et de durabilité - Université de Lausanne | Multi-scale resilience of urban complex systems |
| 15:15–16:00 | Márton Karsai | Central European University / HUN-REN Rényi Institute of Mathematics | Socioeconomic networks, segregation patterns, and their dynamics |
| 16:00–16:30 | Coffee break | ||
| 16:30–17:15 | David Chavalarias | Centre d'Analyse et de Mathématique Sociales & Complex Systems Institute of Paris IdF | The artificialization of cultural evolution: the impact of very large digital infrastructures on individuals and society |
| 17:15–18:00 | Questions & discussions | ||
Complex Systems & Arts, Science, Society
| Time | Speaker | Affiliation | Title |
|---|---|---|---|
| 18:30-19:15 | Fausto Fraisopi | Aix-Marseille University | Escaping linearity and plate ontologies. Complexity between Art and Science |
| 19:15–20:00 | Sara Franceschelli, Patrice Abry | IXXI, ENS Lyon | Art, Science, Experiences: a journey at the frontier of interdisciplinrity |
| 15:45–16:15 | break | ||
| 20:00-21:00 | Art-Science performances | ||
| 21:00–22:00 | Cocktail reception | ||
Complex systems & challenges for the future
| Time | Speaker | Affiliation | Title |
|---|---|---|---|
| 09:00–09:45 | Brian Castellani | Durham Research Methods Centre, Durham University | What Are Complex Systems? Ontology, Epistemology and the Social Science Turn |
| 09:45–10:30 | Sander van der Leeuw | Arizona State University | The adventure of complex systems in the social sciences in France |
| 10:30–11:00 | Questions & discussions | ||
| 11:00–11:30 | Coffee break | ||
| 11:30–13:00 | Round table: The future of complex systems and their potential contributions to major societal stakes and to crisis solutions | ||
| 13:00–13:15 | Concluding remarks | ||