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arXiv 2006.02782math.MGmath.CAmath.FA
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卡诺群中具有正规目标的内禀Lipschitz函数

Intrinsically Lipschitz functions with normal target in Carnot groups

Gioacchino Antonelli, Andrea Merlo

摘要:

本文给出了固有Lipschitz函数$ϕ:U\subseteq \mathbb W\to \mathbb L$的Rademacher定理,其中$U$是博雷尔集,$\mathbb W$和$\mathbb L$是卡诺群的补子群,这里要求$\mathbb L$是正规子群.例如,当$\mathbb W$是水平子群时,我们的假设得到满足。此外,我们提供了这类内在Lipschitz函数的面积公式。

英文摘要:

We provide a Rademacher theorem for intrinsically Lipschitz functions $ϕ:U\subseteq \mathbb W\to \mathbb L$, where $U$ is a Borel set, $\mathbb W$ and $\mathbb L$ are complementary subgroups of a Carnot group, where we require that $\mathbb L$ is a normal subgroup. Our hypotheses are satisfied for example when $\mathbb W$ is a horizontal subgroup. Moreover, we provide an area formula for this class of intrinsically Lipschitz functions.

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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