Please use this identifier to cite or link to this item: https://dspace.ctu.edu.vn/jspui/handle/123456789/22681
Title: K - Fréchet-Urysohn properties in rectifiable spaces
Authors: Luong, Quoc Tuyen
Ong, Van Tuyen
Tran, Le Thuong
Keywords: Rectifiable space
K -Fréchet-Urysohn space
Strongly K-Fréchet-Urysohn space
First-countable space
Compact subset
Issue Date: 2018
Series/Report no.: Journal of Science, The University of DaNang-University of Science and Education;No 26(05) .- Page.29-33
Abstract: A topological space G is called a rectifiable space if there is a homeomorphism 𝞿:G x G → G x G and an element e ϵ G such that π₁ ○ 𝞿 = π₁ and for every x ϵ G we have 𝞿(x,x) = (x,e), where π₁ : G x G → G is the projection to the first coordinate. Then, 𝞿 is called a rectification on G and e is a right unit element of G . Recently, rectifiable spaces have been studied by many authors who have put many open questions that have yet to be answered. In this article. we give K- Fréchet-Urysohn properties in rectifiable spaces. These findings are used to generalize a result in [8].
URI: http://dspace.ctu.edu.vn/jspui/handle/123456789/22681
ISSN: 1859-4603
Appears in Collections:Khoa học Trường ĐH Sư phạm - Đại học Đà Nẵng

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