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Expansiveness of homeomorphisms and dimension

机译:同胚的扩展性和维度

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摘要

In, Mane proved that if a compact metric space X admits an expansive homeomorphism, then X is finite dimensional. In, we introduced the notion of continuum-wise (fully) expansive homeomorphism and investigated the several properties. The class of continuum-wise expansive homeomorphisms is much larger than the class of expansive homeomorphisms. In relation to dimension theory, the following results were proved; (1) if a compact metric space X admits a continuum-wise expansive homeomorphism, then X is finite dimensional, and (2) if a continuum X admits a positively continuum-wise fully expansive map, then X is 1-dimensional .
机译:在其中,Mane证明,如果紧凑的度量空间X允许膨胀同胚,则X是有限维的。在本章中,我们介绍了连续体(完全)扩展同胚的概念,并研究了几种性质。连续智能扩展同胚的类比扩展同胚的类大得多。关于尺寸理论,证明了以下结果; (1)如果一个紧凑的度量空间X允许连续扩展的同胚性,则X是有限维的;(2)如果连续体X允许开放的正连续的完全扩张的映象,则X是一维的。

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