The homogeneous dirichlet problem for quasilinear anisotropic degenerate parabolic-hyperbolic equation with L initial value |
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Authors: | Wang Zhigang Li Yachun |
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Institution: | 1. Department of Mathematics, Shanghai Jiaotong University, Shanghai 200240, China;2. Department of Mathematics, Fuyang Normal College, Fuyang 236029, China |
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Abstract: | The aim of this paper is to prove the well-posedness (existence and uniqueness) of the Lp entropy solution to the homogeneous Dirichlet problems for the anisotropic degenerate parabolic-hyperbolic equations with Lp initial value. We use the device of doubling variables and some technical analysis to prove the uniqueness result. Moreover we can prove that the Lp entropy solution can be obtained as the limit of solutions of the corresponding regularized equations of nondegenerate parabolic type. |
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Keywords: | degenerate parabolic-hyperbolic equation Lp entropy solution device of doubling variables vanishing viscosity method |
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