2 papers
cond-mat.stat-mech2026
Diffusion-Induced Stabilization of Nonreciprocal Wealth Dynamics
Pierre Bousseyroux, Gilles Zérah, Michael Benzaquen
We study the stability of equal wealth shares in a spatial model combining local sharing, global redistribution, and random nonreciprocal interactions. On a two-dimensional square…
physics.soc-ph2025
Group-Level Imitation May Stabilize Cooperation
Pierre Bousseyroux, Gilles Zérah, Michael Benzaquen
Stabilizing cooperation among self-interested individuals presents a fundamental challenge in evolutionary theory and social science. While classical models predict the dominance o…