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Multiple positive solutions of a class of Schrödinger-Poisson equation involving indefinite nonlinearity in $$\mathbb{R}^3$$. (English) Zbl 1416.35089
Summary: In this paper, we study the existence of multiple positive solutions of Schrödinger-Poisson type equations with indefinite nonlinearity. Our main tool is the mountain pass theorem.

##### MSC:
 35J10 Schrödinger operator, Schrödinger equation 35J05 Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation 35B09 Positive solutions to PDEs
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##### References:
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