Regularity of a Boundary Point for the p(x)-Laplacian


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Abstract

We study the behavior of solutions to the Dirichlet problem for the p(x)-Laplacian with a continuous boundary function. We prove the existence of a weak solution under the assumption that p is separated from 1 and ∞. We present a necessary and sufficient Wiener type condition for regularity of a boundary point provided that the exponent p has the logarithmic modulus of continuity at this point.

About the authors

Yu. A. Alkhutov

A. G. and N. G. Stoletov Vladimir State University

Author for correspondence.
Email: yurij-alkhutov@yandex.ru
Russian Federation, 87, Gor’kogo St., Vladimir, 600000

M. D. Surnachev

Keldysh Institute of Applied Mathematics of the Russian Academy of Sciences

Email: yurij-alkhutov@yandex.ru
Russian Federation, 4, Miusskaya sq., Moscow, 125047

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