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.
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页数：9
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