December 10th, 2025 : The abstract submission plaform on this website (see dedicated tab) has just opened!

The 2026 CSS/FR conference will take place in Lyon in on June 1^st and 2^nd, 2026. It will gather the multi-disciplinary scientific community that studies complex systems.

These conferences are held annually and are cornerstones of the cohesion of the French scientific community involved in complex systems.