Hyperspaces of finite subsets, homeomorphic to pre-Hilbert spaces
Hyperspaces of finite subsets, homeomorphic to pre-Hilbert spaces
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有限子集的超空间,与前希尔伯特空间同胚
DOI:
10.1016/j.topol.2016.07.013
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发表时间:
2016
影响因子:
0.6
通讯作者:
Katsuhisa Koshino
中科院分区:
文献类型:
--
作者:
Tatsushi Tanaka;Noriko Wakabayashi;Tomohiro Fukaya;Katsuhisa Koshino
Let Fin (X) be the hyperspace consisting of non-empty finite subsets of a topological space X endowed with the Vietoris topology. In this paper, we characterize topological spaces X whose hyperspace Fin (X) is homeomorphic to the pre-Hilbert space ℓ 2 f (κ) for an uncountable cardinal κ.