Abstract
This paper is dedicated to studying the semilinear Schrödinger equation
where \(V\in \mathcal {C}(\mathbb {R}^N, \mathbb {R})\) is sign-changing and either periodic or coercive and \(f\in \mathcal {C}(\mathbb {R}^N\times \mathbb {R}, \mathbb {R})\) is subcritical and local super-linear (i.e. allowed to be super-linear at some \(x\in \mathbb {R}^N\) and asymptotically linear at other \(x\in \mathbb {R}^N\)). Instead of the common condition that \(\lim _{|t|\rightarrow \infty }\frac{\int _{0}^{t} f(x, s)\mathrm {d}s}{t^2}=\infty \) uniformly in \(x\in \mathbb {R}^N\), we use a local super-quadratic condition \(\lim _{|t|\rightarrow \infty }\frac{\int _{0}^{t} f(x,s)\mathrm {d}s}{t^2}=\infty \) a.e. \(x\in G\) for some domain \(G\subset \mathbb {R}^N\) to show the existence of nontrivial solutions for the above problem.
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This work is partially supported by the NNFC (Nos. 11571370, 11471137, 11471085) of China.
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Tang, X., Lin, X. & Yu, J. Nontrivial Solutions for Schrödinger Equation with Local Super-Quadratic Conditions. J Dyn Diff Equat 31, 369–383 (2019). https://doi.org/10.1007/s10884-018-9662-2
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DOI: https://doi.org/10.1007/s10884-018-9662-2