Revista Matemática Iberoamericana
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Published online: 1995-12-31
A criterion of Petrowsky's kind for a degenerate quasilinear parabolic equationPeter Lindqvist (1) Norwegian University of Science and Technology, Trondheim, Norway
The celebrated criterion of Petrowsky for the regularity of the latest boundary point, originally formulated for the heat equation, is extended to the so-called $p$-parabolic eqtlation. A barrier is constructed by the aid of the Barenblatt solution.
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Lindqvist Peter: A criterion of Petrowsky's kind for a degenerate quasilinear parabolic equation. Rev. Mat. Iberoam. 11 (1995), 569-578. doi: 10.4171/RMI/185