拓扑空间的n置换度和超空间的局部τ-密度的一些基本性质和拓扑性质

Bulletin of National University of Uzbekistan: Mathematics and Natural Sciences Pub Date : 2018-03-25 DOI:10.56017/2181-1318.1010

F. Mukhamadiev

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引用次数: 3

摘要

本文研究了拓扑空间的置换度和超空间的局部τ -密度的一些基本性质和拓扑性质。证明了函子expn和SPn局部保持任意无限t1空间的τ -密度。

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Some cardinal and topological properties of the n-permutation degree of a topological spaces and locally τ-density of hyperspaces

In the paper we investigate some cardinal and topological properties of the npermutation degree of a topological spaces and locally τ -density of hyperspaces. It is proved that the functors expn and SPn preserves locally τ -density of any infinite T1-spaces.

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Bulletin of National University of Uzbekistan: Mathematics and Natural Sciences

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