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The Blow-up of Solutions for a Class of Semi-linear Equations with p-Laplacian Viscoelastic Term under Positive Initial Energy
  • Xiulan Wu,
  • Xiaoxin Yang
Xiulan Wu
Changchun University of Science and Technology Jilin

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Xiaoxin Yang
Changchun University of Science and Technology
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This paper deals with homogeneous Dirichlet boundary value problem to a class of semi-linear equations with p-Laplacian viscoelastic term $$ \frac{\partial u}{\partial t}-\Delta u+\int_{0}^{t}g(t-s)\Delta_{p}u(x,s)\mbox{d}s=\mid u\mid^{q(x)-2}u,~~~~~x\in\Omega,~~t\geq 0, $$ the bounded domain $\Omega\subset R^{N}~(N\geq 1)$ with a smooth boundary. We prove that the weak solutions of the above problems blow up in finite time for all $q^{-}> 2k$(~$k$~is defined in $(2.3)$), when the initial energy is positive and the function~$g$~satisfies suitable conditions. This result generalized and improved the result by S.~A.~Messaoudi~\cite{1}.