Uniqueness, multiplicity and stability for positive solutions of a pair of reaction–diffusion equations
Yihong Du
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Source: Crossref
Published: Jan 1, 1996
DOI: 10.1017/s0308210500023064
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We study the number and stability of the positive solutions of a reaction–diffusion equation pair. When certain parameters in the equations are large, the equation pair can be viewed as singular or regular perturbations of some single (or essentially single) equation problems, for which the number and stability of their solutions can be well understood. With the help of these simpler equations, we are able to obtain a rather complete understanding of the number and stability of the positive solutions for the equation pair for the cases that certain parameters are large. In particular, we obtain a fairly satisfactory description of the positive solution set of the equation pair.
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