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On a singular parabolic p-Laplacian equation with logarithmic nonlinearity
Communications in Analysis and Mechanics 2024, 16(3): 528-553
Published: 15 September 2024
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In this paper, we considered a singular parabolic p-Laplacian equation with logarithmic nonlinearity in a bounded domain with homogeneous Dirichlet boundary conditions. We established the local solvability by the technique of cut-off combining with the method of Faedo-Galerkin approximation. Based on the potential well method and Hardy-Sobolev inequality, the global existence of solutions was derived. In addition, we obtained the results of the decay. The blow-up phenomenon of solutions with different indicator ranges was also given. Moreover, we discussed the blow-up of solutions with arbitrary initial energy and the conditions of extinction.

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