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March  2006, 1(1): 185-218. doi: 10.3934/nhm.2006.1.185

Analysis of a class of degenerate reaction-diffusion systems and the bidomain model of cardiac tissue

Mostafa Bendahmane 1, and  Kenneth H. Karlsen 1,

1. 

Centre of Mathematics for Applications, University of Oslo, P.O. Box 1053, Blindern, N–0316 Oslo, Norway, Norway

Received  September 2005 Revised  November 2005 Published  January 2006

We prove well-posedness (existence and uniqueness) results for a class of degenerate reaction-diffusion systems. A prototype system belonging to this class is provided by the bidomain model, which is frequently used to study and simulate electrophysiological waves in cardiac tissue. The existence result, which constitutes the main thrust of this paper, is proved by means of a nondegenerate approximation system, the Faedo-Galerkin method, and the compactness method.
Keywords: existence, weak solution, uniqueness, bidomain model, Reaction-diffusion system, degenerate, cardiac electric field..
Mathematics Subject Classification: Primary: 35K57, 35M10; Secondary: 35A0.
Citation: Mostafa Bendahmane, Kenneth H. Karlsen. Analysis of a class of degenerate reaction-diffusion systems and the bidomain model of cardiac tissue. Networks and Heterogeneous Media, 2006, 1 (1) : 185-218. doi: 10.3934/nhm.2006.1.185
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