On the stability of steady states in a granuloma model |
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Authors: | Avner Friedman King-Yeung Lam |
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Affiliation: | 1. Mathematical Biosciences Institute, Ohio State University, Columbus, OH 43210, United States;2. Department of Mathematics, Ohio State University, Columbus, OH 43210, United States |
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Abstract: | We consider a free boundary problem for a system of two semilinear parabolic equations. The system represents a simple model of granuloma, a collection of immune cells and bacteria filling a 3-dimensional domain Ω(t) which varies in time. We prove the existence of stationary spherical solutions and study their linear asymptotic stability as time increases to infinity. |
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