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Nonequilibrium steady states and subgeometric convergence in a kinetic model of chemotaxis

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If you have a question about this talk, please contact Amelie Justine Loher .

This is based on a joint work with Emeric Bouin and Luca Ziviani. I am going to talk about a kinetic model describing run and tumble chemotaxis. In this model the bacteria respond to an external chemical signal by changing the rate at which they change direction depending on whether they are going up or down the gradient of the chemical signal. This a very unusual mechanism for producing spatial confinement. I will talk about how and why the steady state depends on the velocity domain and how this effects rates of convergence to equilibrium.

This talk is part of the Geometric Analysis & Partial Differential Equations seminar series.

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