Abstract
This paper deals with global and blowup solutions of the quasilinear parabolic equation ut=α(x,u,∇u)Δu+f(x,u,∇u) with homogeneous Dirichlet boundary conditions. We will give sufficient conditions such that the solutions either exist globally or blow up in a finite time for any smooth initial values. In special cases, a necessary and sufficient condition for global existence is given.
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