On the p-Laplacian type equation with logarithmic nonlinearity: existence, decay and blow up
Filomat, Tome 37 (2023) no. 16, p. 5485

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This work is deal with a problem of wave equation with p-Laplacian, strong damping and logarithmic source terms under initial-boundary conditions. The global existence of weak solution was proved for related to the equation. Global existence results of solutions are obtained using the potential well method, Galerkin method and compactness approach corresponding to the logarithmic source term. Besides, we established the energy functional decaying polynomially to zero as the time goes to infinity due to Nakao's inequality and some precise priori estimates on logarithmic nonlinearity. For suitable conditions we proved the finite time blow up results of solutions. The proof is based on the concavity method, perturbation energy method and differential–integral inequality technique. Additionally, under suitable assumptions on initial data, the infinite time blow up result is investigated with negative initial energy.
DOI : 10.2298/FIL2316485I
Classification : 35B44, 35A01, 35B40, 35G60, 35L05
Keywords: Blow up, Boundary value problem, Global existence, Partial differential equation, Polynomial decay, p-Laplacian equation, Logarithmic nonlinearity
Nazlı Irkıl. On the p-Laplacian type equation with logarithmic nonlinearity: existence, decay and blow up. Filomat, Tome 37 (2023) no. 16, p. 5485 . doi: 10.2298/FIL2316485I
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     title = {On the {p-Laplacian} type equation with logarithmic nonlinearity: existence, decay and blow up},
     journal = {Filomat},
     pages = {5485 },
     year = {2023},
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     doi = {10.2298/FIL2316485I},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2316485I/}
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