Borderline Variational Problems Involving Fractional Laplacians and Critical Singularities

Author:

Ghoussoub Nassif1,Shakerian Shaya1

Affiliation:

1. Department of Mathematics University of British Columbia, Vancouver, B.C. Canada V6T 1Z2

Abstract

Abstract We consider the problem of attainability of the best constant C > 0 in the following critical fractional Hardy-Sobolev inequality: For all , , where and γ ∈ ℝ. This allows us to establish the existence of nontrivial weak solutions for the following doubly critical problem on ℝn, , where is the critical α-fractional Sobolev exponent, and , the latter being the best fractional Hardy constant on ℝn.

Publisher

Walter de Gruyter GmbH

Subject

General Mathematics,Statistical and Nonlinear Physics

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