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arXiv 1210.0656math.MGmath.CA
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预切空间到一般度量空间的有界性

Boundedness of pretangent spaces to general metric spaces

Viktoriia Bilet, Oleksiy Dovgoshey

摘要:

设(X,d,p)是一个度量空间,具有度量d和一个标记点p.定义了[0,\infty)的子集在0处w-强多孔集,证明了距离集{d(x,p):x \in X}在0处w-强多孔当且仅当X在p处的预切空间有界.

英文摘要:

Let (X,d,p) be a metric space with a metric d and a marked point p. We define the set of w-strongly porous at 0 subsets of [0,\infty) and prove that the distance set {d(x,p): x\in X} is w-strongly porous at 0 if and only if every pretangent space to X at p is bounded.

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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