Some properties of the Nτφ- nucleus

被引：0

作者：

Kocinac, Ljubisa D. R. ^{[1
]}

Mukhamadiev, Farkhod G. ^{[2
]}

机构：

[1] Univ Nis, Fac Sci & Math, Nish 18000, Serbia

[2] Natl Univ Uzbekistan, Tashkent 100174, Uzbekistan

来源：

TOPOLOGY AND ITS APPLICATIONS | 2023年 / 326卷

关键词：

Souslin number; Weight; Density; Complete linked systems; N-tau(phi); kernel; N-compact kernel; GEOMETRIC-PROPERTIES; SPACE; CATEGORY; FUNCTORS;

D O I：

暂无

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

In this paper we study the behavior of some properties of topological spaces under the influence of the N-tau(phi)-kernel of a space X. We prove that the N-tau(phi)-kernel of a space Xpreserves the density, network and pi-weight of normal spaces. Besides, it is shown that the N-compact kernel of a space Xpreserves the Souslin number, weight, density, and pi-network weight of normal spaces. (c) 2023 Elsevier B.V. All rights reserved.

引用

页数：9

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