Journal
JOURNAL OF DIFFERENTIAL EQUATIONS
Volume 255, Issue 8, Pages 2340-2362Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jde.2013.06.016
Keywords
Existence; Fractional Sobolev spaces; Variational methods
Categories
Funding
- MIUR project Metodi Variazionali ed Equazioni Differenziali alle Derivate Parziali Non Lineari
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We study the existence and multiplicity of solutions for elliptic equations in RN, driven by a non-local integro-differential operator, which main prototype is the fractional Laplacian. The model under consideration, denoted by (P-lambda), depends, on a real parameter lambda and involves two superlinear nonlinearities, one of which could be critical or even supercritical. The main theorem of lambda the paper establishes the existence of three critical values of A which divide the real line in different intervals, where (P-lambda) admits no solutions, at least one nontrivial non-negative entire solution and two nontrivial non-negative entire solutions. (C) 2013 Elsevier Inc. All rights reserved.
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