9:15 AM – 10:00 AM, Wednesday, October 17, 2018; Room: 114 McAllister bldg.

The reactive-telegraph equation and a reactive-kinetic model

Panagiotis E. Souganidis, University of Chicago, USA

We study the long-range, long-time behavior of the reactive-telegraph equation and a related reactive-kinetic model. The two problems are equivalent in one dimension. We point out that the reactive-telegraph equation, meant to model a population density, does not preserve positivity in higher dimensions. In view of this in dimensions larger than one, we consider a reactive-kinetic model and investigate the long-range, long-time limit of the solutions. We provide a general characterization of the speed of propagation and we compute it explicitly in one and two dimensions. This is joint work with Chris Henderson.

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