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Masked Bacteria in a Petri Dish: How to Wield the Fisher Equation without Sweat

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MMVW01 - Summer School on Mathematics of Movement

The dynamics of bacteria in a petri dish can be investigated through a judicious placement of masks to stop lethal ultraviolet radiation from destroying the bacteria while they move about as described by the Fisher equation. A two-mask scenario and a simple but exact theory are presented, capable of probing the validity of the Fisher equation and revealing the values of its dynamic parameters.   V. M. Kenkre and M. Kuperman: Applicability of the Fisher equation to Bacterial Population Dynamics, Phys. Rev. E 67 ,051921 (2003); V.M. Kenkre and Niraj Kumar: Nonlinearity in bacterial population dynamics: Proposal for experiments for the observation of abrupt transitioins in patches, Proc. Nat. Acad. Sc. 105, 18752-18757 (2008).

This talk is part of the Isaac Newton Institute Seminar Series series.

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