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Existence of ground state solution and concentration of maxima for a class of indefinite variational problems

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Claudianor O. Alves was partially supported by CNPq/Brazil 304804/2017-7

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  • In this paper we study the existence of ground state solution and concentration of maxima for a class of strongly indefinite problem like

    $ \begin{cases} -\Delta u+V(x)u = A(\epsilon x)f(u) \quad \mbox{in} \quad \mathbb{R}^{N}, \\ u\in H^{1}( \mathbb{R}^{N}), \end{cases} \qquad\qquad\qquad{(P)_{\epsilon}} $

    where $ N \geq 1 $, $ \epsilon $ is a positive parameter, $ f: \mathbb{R} \to \mathbb{R} $ is a continuous function with subcritical growth and $ V,A: \mathbb{R}^{N} \to \mathbb{R} $ are continuous functions verifying some technical conditions. Here $ V $ is a $ \mathbb{Z}^N $-periodic function, $ 0 \not\in \sigma(-\Delta + V) $, the spectrum of $ -\Delta +V $, and

    $ 0 < \inf\limits_{x \in \mathbb{R}^{N}}A(x)\leq \lim\limits_{|x|\rightarrow+\infty}A(x)<\sup\limits_{x \in \mathbb{R}^{N}}A(x). $

    Mathematics Subject Classification: Primary: 35B40, 35J20; Secondary: 47A10.

    Citation:

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