Abstract
In this paper, we study the following semilinear elliptic equation
where \(N \ge 1\) and \(\varphi (s)\), V(x), f(x, s) are given functions. Under some conditions on \(\varphi (s), V(x), f(x,s)\), we show the existence of positive solution. In particular, we extend the result of Felmer and Ikoma (J Funct Anal 275(8):2162–2196, 2018). In Felmer and Ikoma (J Funct Anal 275(8):2162–2196, 2018), the existence of positive solution was proved by topological degree theoretic argument. In this paper, we employ the variational method.
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This article is part of the section "Viscosity solutions - Dedicated to Hitoshi Ishii on the award of the 1st Kodaira Kunihiko Prize" edited by Kazuhiro Ishige, Shigeaki Koike, Tohru Ozawa, Senjo Shimizu.
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Ikoma, N. On the existence of positive solutions to a certain class of semilinear elliptic equations. Partial Differ. Equ. Appl. 2, 28 (2021). https://doi.org/10.1007/s42985-021-00079-7
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DOI: https://doi.org/10.1007/s42985-021-00079-7