2 papers
math.AP2025
Nonlinear stability for active suspensions
Michele Coti Zelati, Helge Dietert, David Gérard-Varet
This paper is devoted to the nonlinear analysis of a kinetic model introduced by Saintillan and Shelley to describe suspensions of active rodlike particles in viscous flows. We inv…
math.PR2025
A noise-induced transition in the Lorenz system
Michele Coti Zelati, Martin Hairer
We consider a stochastic perturbation of the classical Lorenz system in the range of parameters for which the origin is the global attractor. We show that adding noise in the last…