Abstract
We prove the higher integrability of the gradient of solutions of the Zaremba problem in a bounded strongly Lipschitz domain for an inhomogeneous \(p(\,\cdot\,)\)-Laplace equation with a variable exponent \(p\) having a logarithmic continuity modulus.
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Funding
The results in Sec. 3 belong to the first author. The proof of Lemma 1 and Theorem 1 of that section was supported by a grant from the Russian Science Foundation (project No. 22-21-00292), and the proof of Theorem 2 was supported by the State Assignment of the Vladimir State University (FZUN-2023-0004). The results of the second author in Sec. 2 were supported by a grant of the Russian Science Foundation (project No. 20-11-20272); and those in Sec. 1, by the grant from the Committee of Science of the Ministry of Science and Higher Education of the Republic of Kazakhstan (project AP14869553).
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Translated from Teoreticheskaya i Matematicheskaya Fizika, 2024, Vol. 218, pp. 3–22 https://doi.org/10.4213/tmf10522.
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Alkhutov, Y.A., Chechkin, G.A. Multidimensional Zaremba problem for the \(p(\,\cdot\,)\)-Laplace equation. A Boyarsky–Meyers estimate. Theor Math Phys 218, 1–18 (2024). https://doi.org/10.1134/S004057792401001X
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DOI: https://doi.org/10.1134/S004057792401001X