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arXiv 2303.13629math.FA
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BV compactness标准的扩展

Extensions of BV compactness criteria

Helge Kristian Jenssen

摘要:

Helly选择定理提供了一个判定单变量有界点态变差函数集的紧性的准则。Fra{regon}kov{á}将Helly定理推广到单变量调节函数的情形。我们展示了如何一个类似的方法产生扩展的标准紧性准则的有界变差的多变量函数。

英文摘要:

Helly's selection theorem provides a criterion for compactness of sets of single-variable functions with bounded pointwise variation. Fra{ň}kov{á} has given a proper extension of Helly's theorem to the setting of single-variable regulated functions. We show how a similar approach yields extensions of the standard compactness criterion for multi-variable functions of bounded variation.

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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