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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Active Brownian Particles and chemotaxis

## Active Brownian Particles and chemotaxisAdd to your list(s) Download to your calendar using vCal - Oscar de Wit (University of Cambridge)
- Wednesday 22 June 2022, 13:00-14:00
- Seminar Room 2, Newton Institute.
If you have a question about this talk, please contact nobody. FKT - Frontiers in kinetic theory: connecting microscopic to macroscopic scales - KineCon 2022 The Keller-Segel model comes from a microscopic model where the chemical gradient acts a drift for a Brownian motion. The macroscopic resulting PDE (the Keller-Segel equation) is known to have some blow up properties, i.e. the model is quite unstable. In this talk we consider a different model where the particles experience a torque from the chemical gradient instead. We discuss some aspects of the mean field limit, hard-sphere interactions, PDE existence, global in time existence, linear (in)stability and nonlinear stability when the chemical is fixed. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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