Some results about a quasilinear singular parabolic equation (Q2908582)

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scientific article; zbMATH DE number 6076987
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Some results about a quasilinear singular parabolic equation
scientific article; zbMATH DE number 6076987

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    Some results about a quasilinear singular parabolic equation (English)
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    5 September 2012
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    singular nonlinearity
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    time-semi-discretization
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    Besov spaces
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    homogeneous Dirichlet boundary conditions
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    existence and nonexistence results
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    The authors are concerned with the quasilinear parabolic equation \(u_t-\Delta u=u^{-\delta}+f(x,t)\) in \(\Omega\times (0,T)\) subject to homogeneous Dirichlet boundary conditions and initial data \(u(x,0)=u_0(x)\) in \(\Omega\). Using a semidiscretization in the time variable, various existence and nonexistence results are obtained for weak solutions.
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