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arXiv 1102.0959math.AP
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环间的n-调和映射

n-Harmonic mappings between annuli

Tadeusz Iwaniec, Jani Onninen

摘要:

本文的中心主题是两个给定整环$\mathbb X, \mathbb Y \subset \mathbb R^n$之间同胚$h\colon \mathbb X \onto \mathbb Y$的变分分析。在索伯列夫空间$\mathscr W^{1,n}(\mathbb X,\mathbb Y)$中寻找极小化能量积分\[ \mathscr E_h=\int_{\mathbb X} ||Dh(x)||^n dx. \]的极值映射。由于与拟共形映射的自然联系,这种$n$ -调和的经典狄利克雷积分(平面域)的替代方法引起了几何函数论研究者的注意。本文对一对同心球环进行了显式分析,在这对同心球环中观察到了关于极小$n$ -调和映射的许多意想不到的现象。非线性微分形式的基本积分,称为自由拉格朗日,成为真正的艺术作品。

英文摘要:

The central theme of this paper is the variational analysis of homeomorphisms $h\colon \mathbb X \onto \mathbb Y$ between two given domains $\mathbb X, \mathbb Y \subset \mathbb R^n$. We look for the extremal mappings in the Sobolev space $\mathscr W^{1,n}(\mathbb X,\mathbb Y)$ which minimize the energy integral \[ \mathscr E_h=\int_{\mathbb X} ||Dh(x)||^n dx. \] Because of the natural connections with quasiconformal mappings this $n$-harmonic alternative to the classical Dirichlet integral (for planar domains) has drawn the attention of researchers in Geometric Function Theory. Explicit analysis is made here for a pair of concentric spherical annuli where many unexpected phenomena about minimal $n$-harmonic mappings are observed. The underlying integration of nonlinear differential forms, called free Lagrangians, becomes truly a work of art.

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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