Positive solutions for Kirchhoff equation in exterior domains with small Sobolev critical perturbation
COMPLEX VARIABLES AND ELLIPTIC EQUATIONS(2023)
Abstract
The paper concerns with the existence of positive solutions for the following Kirchhoff problem [GRAPHICS] where a, b > 0,4 < p < 6, epsilon > 0 is a parameter and Omega subset of R-3 is an exterior domain, that is, Omega is an unbounded domain with R-3\Omega nonempty and bounded. After showing the nonexistence of ground state solutions, we prove the existence of one positive solution with higher energy when R-3\Omega is contained in a small ball and epsilon > 0 is sufficiently small. The novelty of this paper is that we extend the result obtained in Alves and de Freitas [Existence of a positive solution for a class of elliptic problems in exterior domains involving critical growth. Milan J Math. 2017;85:309-330] to nonlocal case and generalize the subcritical nonlinearity discussed in Chen and Liu [Positive solutions for Kirchhoff equation in exterior domains. J Math Phys. 2021;62:Article ID 041510] to small critical perturbation.
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Key words
Positive solution,Kirchhoff equation,exterior domain,Sobolev critical exponent,global compactness lemma
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