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Quasilinear Scalar Field Equations Involving Critical Sobolev Exponents and Potentials Vanishing at Infinity

Published online by Cambridge University Press:  30 April 2018

Athanasios N. Lyberopoulos*
Affiliation:
Department of Mathematics, University of the Aegean, 83200 Karlovassi, Samos, Greece (alyber@aegean.gr)

Abstract

We are concerned with the existence of positive weak solutions, as well as the existence of bound states (i.e. solutions in W1, p (ℝN)), for quasilinear scalar field equations of the form

$$ - \Delta _pu + V(x) \vert u \vert ^{p - 2}u = K(x) \vert u \vert ^{q - 2}u + \vert u \vert ^{p^ * - 2}u,\qquad x \in {\open R}^N,$$
where Δpu: = div(|∇ u|p−2u), 1 < p < N, p*: = Np/(Np) is the critical Sobolev exponent, q ∈ (p, p*), while V(·) and K(·) are non-negative continuous potentials that may decay to zero as |x| → ∞ but are free from any integrability or symmetry assumptions.

Information

Type
Research Article
Copyright
Copyright © Edinburgh Mathematical Society 2018 

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