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arXiv 2305.03498math.AP
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各向异性p-容量的次微分与极小元的刻画

Characterization of the subdifferential and minimizers for the anisotropic p-capacity

Esther Cabezas-Rivas, Salvador Moll, Marcos Solera

AI总结:

该研究刻画了中心对称各向异性p-容量的次微分,证明了对应泛函极小元在无凸性要求的Lipschitz边界有界域补集上的存在性,且满足内球条件时极小元具有Lipschitz连续性。

摘要:

我们得到了关于中心对称各向异性定义的p-容量泛函极小元的存在性,其中1 < p<∞,涵盖了ℝ^N中结晶范数的情形。该结果通过对相应次微分的刻画得到,适用于形如ℝ^N \overlineΩ的无界区域,仅需温和正则性假设(Lipschitz连续边界),且对有界区域Ω无凸性要求。若进一步假设内球条件(其中Wulff形状起到球的作用),则可证明任意极小元都是Lipschitz连续的。

英文摘要:

We obtain existence of minimizers for the $p$-capacity functional defined with respect to a centrally symmetric anisotropy for $1 < p<\infty$, including the case of a crystalline norm in $\mathbb R^N$. The result is obtained by a characterization of the corresponding subdifferential and it applies for unbounded domains of the form $\mathbb R^N \setminus \overlineΩ$ under mild regularity assumptions (Lipschitz-continuous boundary) and no convexity requirements on the bounded domain $Ω$. If we further assume an interior ball condition (where the Wulff shape plays the role of a ball), then any minimizer is shown to be Lipschitz continuous.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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