Solution branches of a semilinear elliptic problem at corank-2 bifurcation points |
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| Authors: | Zhen Mei |
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| Affiliation: | (1) Department of Mathematics, University of Marburg, W-3550 Marburg, Germany;(2) Present address: Department of Mathematics, Xi’an Jiaotong University, China |
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| Abstract: | Bifurcations of a semilinear elliptic problem on the unit square with the Dirichlet boundary conditions are studied at corank-2 bifurcation points. We show the existence of bifurcating solution branches and their parameterizations via a nonsingular enlarged problem. |
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