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Existence of entropy solutions for some strongly nonlinear p(x)-parabolic problems with L1-data

机译:具有L1数据的某些强非线性p(x)-抛物型问题熵解的存在性

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This paper is devoted to study the following strongly nonlinear p(x)-parabolic problem du/d t-? div? a(x,t,abla u) + g(x,t,u,abla u) + delta|u|^{p(x)-2}u = f? -? div phi(u)?? in? Q_T, ?u? = 0? ? ? ? ? ? ? ? ? ? ? on???? Sigma_{T}, ?u(x,0)= u_0???????????? in?????????? Omega, with? f in L^{1}(Q_T),? phiin C^{0}(IR,IR^{N}),? u_0 in L^{1}(Omega) and? delta&0. We prove the existence of entropy solutions for this problem in the parabolic space with variable exponent V.
机译:本文致力于研究以下强非线性p(x)-抛物线问题du / d t-? div? a(x,t, nabla u)+ g(x,t,u, nabla u)+ delta | u | ^ {p(x)-2} u = f? -? div phi(u)??在? Q_T,?? = 0? ? ? ? ? ? ? ? ? ? ?上???? Sigma_ {T},?u(x,0)= u_0 ????????????在?????????? 欧米茄,与? f in L ^ {1}(Q_T),? phi in C ^ {0}(IR,IR ^ {N}),? u_0 in L ^ {1}( Omega)和? delta& 0。我们证明了在变指数V的抛物空间中存在此问题的熵解。

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