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Conference

CoBeCoSy 2026

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about event

CoBeCoSy 2026

  • Where

    Campus de l’Arche, 47 Boulevard de Pesaro, 92000 Nanterre

  • When

  • Thematic axes
    • Mathematical modeling of collective behavior;
    • Theoretical analysis, numerical simulations and data-driven methods (ML/DL);
    • Interdisciplinary applications: fluid dynamics, nuclear physics, biological systems, financial markets and social systems.
  • Place description

    The conference will take place in rooms 603 and 605 (on the sixth floor) of the Campus de l’Arche.

Understanding collective behavior is one of the central challenges of modern science. From flocks of birds and schools of fish to turbulent fluids, interacting particles, financial markets, and social dynamics, complex patterns often emerge from the interaction of many individual components. These emergent phenomena cannot be understood by studying single agents in isolation; rather, they arise from nonlinear interactions, feedback mechanisms, and multiscale effects. Mathematical modeling provides a powerful and unifying framework to describe, analyze, and predict such collective behaviors. By translating complex systems into equations, stochastic processes or computational algorithms, mathematical models allows us to uncover the fundamental mechanisms that drive emergence.

CoBeCoSy is an interdisciplinary workshop dedicated to exploring how mathematical models can describe, predict, and analyze emergent collective behaviors arising from interacting agents or components across a wide range of scientific domains. The conference aims to bring together researchers in applied mathematics, theoretical physics, and computer science to foster dialogue across disciplines and encourage the exchange of ideas, methods, and perspectives. Applications of interest include, but are not limited to, fluid dynamics, nuclear physics, biological systems, financial markets, and social sciences. Through this interdisciplinary approach, CoBeCoSy seeks to deepen our understanding of complex systems and promote innovative collaborations at the interface of mathematics and the natural and social sciences.

Keynote speakers

Laurent BOUDIN

Convergence to consensus for a first-order non-symmetric multi-agent model
LJLL, Sorbonne Université, Paris, France

Bastien FERNANDEZ

A simple model for the population dynamics in over-the-counter wholesale fresh product markets
LPSM, Sorbonne Université, Paris, France

Patrick GALLINARI

AI4Science: From Equations to Learning Machines
ISIR, Sorbonne University, Paris, France

Basma JAFFAL

On the well-posedness of the Second-grade compressible fluid model
DVRC, DVHE, Paris, France

Daniil KHACHAI

A General Framework for Industrial Cutting Path Optimization and Its Applications
DVRC, DVHE, Paris, France

Marie KRATZ

Extreme Events and Collective Risk: Probabilistic Approaches
ESSEC, Paris, France

Philipp LAUBER

Phase space transport in hot fusion plasmas
Max-Planck Institute for Plasma Physics, Germany

Omar MAJ

Dissipative dynamics and relaxation to equilibria in fluids and plasmas
Max-Planck Institute for Plasma Physics, Germany

Federica PADOVANO

Tumour growth dynamics under CAR-T cell therapy: an experimentally informed modelling study
LJLL, Sorbonne Université, Paris, France

Emanuele POLI

Nonlinear Schrödinger equation and modulational instability for axisymmetric plasma oscillations in tokamaks
Max-Planck Institute for Plasma Physics, Germany

Nastassia PORADIER DUTEIL

Modeling phase transition in the collective motion of a fish school
INRIA, LJLL, Sorbonne Université, Paris, France

Vittorio ROMANO

Mathematical challenges in charge transport in 2D materials
University of Catania, Italy

Francesco SALVARANI

A kinetic approach the rock-paper-scissors game
DVRC, DVHE, Paris, France and University of Pavia, Italy

Eric SONNENDRUECKER

Structure preserving numerical methods for plasma physics
Max-Planck Institute for Plasma Physics, Germany

Voelas
Event detail

Campus de l’Arche, 47 Boulevard de Pesaro, 92000 Nanterre

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