Doubly Nonlinear Parabolic Equation with
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Shu Wang; Jucheng Deng; Jine Shi
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Article
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2001
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Elsevier Science
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English
β 97 KB
This paper deals with the existence and nonexistence of global positive solutions of the doubly nonlinear parabolic equation with nonlinear boundary conditions. Necessary and sufficient conditions in order that all positive solutions exist globally are obtained by using the upper and lower solutions