On eigenvalue problems involving the critical Hardy potential and Sobolev type inequalities with logarithmic weights in two dimensions

Futoshi Takahashi; Megumi Sano

On eigenvalue problems involving the critical Hardy potential and Sobolev type inequalities with logarithmic weights in two dimensions

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arxiv 2210.10282 v1 pith:37FMN7H3 submitted 2022-10-19 math.AP

Megumi Sano , Futoshi Takahashi This is my paper · ORCID

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keywords potentialcriticaleigenvaluehardyinvolvinglogarithmicsobolevtype

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We consider the two-dimensional eigenvalue problem for the Laplacian with the Neumann boundary condition involving the critical Hardy potential. We prove the existence of the second eigenfunction and study its asymptotic behavior around the origin. A key tool is the Sobolev type inequality with a logarithmic weight, which is shown in this paper as an application of the weighted nonlinear potential theory.

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