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一致空间的超空间拓扑

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讨论一致空间诱导的超空间上的一致结构与Vietoris拓扑的基本性质,证明超空间上Vietoris拓扑和一致拓扑的相容性.通过刻画超空间中具有有限交性质集族的极限性质,给出紧Hausdorff的超空间在Vietoris拓扑下仍为紧Hausdorff空间这一经典结果的新证明.
Topologies in hyperspaces of uniform spaces
In this paper,we discuss basic properties of uniform structures and Vietoris topologies of hyperspaces which induced by uniform spaces,and prove that the Vietoris topology and uniform topol-ogy induced by a uniform space are compatible.Moreover,we characterize the limit of the family of sets with finite intersection property,and give a new proof of the hyperspace induced by a compact Hausdorff space is still compact Hausdorff.

uniform spacehyperspaceVietoris topology

黄书棋、陈君豪、梁海兰

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福州大学数学与统计学院,福建 福州 350108

一致空间 超空间 Vietoris拓扑

2024

福州大学学报(自然科学版)
福州大学

福州大学学报(自然科学版)

CSTPCD北大核心
影响因子:0.35
ISSN:1000-2243
年,卷(期):2024.52(6)