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arXiv 1203.4641math.APmath.CA
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横向Lipschitz调和函数是Lipschitz

Transversally Lipschitz Harmonic Functions are Lipschitz

Sivaguru Ravisankar

摘要:

设Ω \subset \mathbb{R}^n是具有C^ \infty边界的有界域.我们证明了Ω中的一个调和函数,如果它沿着一族横截于bΩ的曲线是Lipschitz的,那么它也是Ω中的Lipschitz.我们考虑的Lipschitz函数空间是使用优数的概念定义的,优数是幂函数t^α,0<α<1的某种推广。

英文摘要:

Let Ω\subset\mathbb{R}^n be a bounded domain with C^\infty boundary. We show that a harmonic function in Ωthat is Lipschitz along a family of curves transversal to bΩis Lipschitz in Ω. The space of Lipschitz functions we consider is defined using the notion of a majorant which is a certain generalization of the power functions t^α, 0<α<1.

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