The strong comparison principle in parabolic problems with the p-Laplacian in a domain
Applied Mathematics Letters(2019)
Abstract
We investigate some strong comparison principles for nonnegative solutions to several parabolic problems with the p-Laplace operator in one space dimension. We focus on the special case of comparing a stationary (i.e., time-independent) solution with a time-dependent solution. We take advantage of some special properties of stationary solutions that, in general, might not hold for time-dependent solutions.
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Key words
Quasilinear parabolic equation,Degenerate p-Laplacian,Examples and counterexamples to strong comparison principle,Hopf’s boundary point lemma
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