Global existence and blowup of solutions to a free boundary problem for mutualistic model |
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Authors: | KwangIk Kim ZhiGui Lin Zhi Ling |
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Institution: | 1. Department of Mathematics, Pohang University of Science and Technology, Pohang, 790-784, Korea 2. School of Mathematical Sciences, Yangzhou University, Yangzhou, 225002, China
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Abstract: | This article is concerned with a system of semilinear parabolic equations with a free boundary, which arises in a mutualistic ecological model. The local existence and uniqueness of a classical solution are obtained. The asymptotic behavior of the free boundary problem is studied. Our results show that the free problem admits a global slow solution if the inter-specific competitions are strong, while if the inter-specific competitions are weak there exist the blowup solution and global fast solution. |
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