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Notes on countable tightness of the subspaces of free (Abelian) topological groups

Article ID Journal Published Year Pages File Type
5777707 Topology and its Applications 2017 8 Pages PDF
Abstract
(2) Let X be the closed image of a locally separable metrizable space. Then the tightness of A4(X) is countable if and only if the tightness of A(X) is countable.
Keywords
54E9954D1054H9922A30Free Abelian topological groupCountable tightnessprimarysecondaryLašnev spaceFree topological group
Related Topics
Physical Sciences and Engineering Mathematics Geometry and Topology
Preview
Notes on countable tightness of the subspaces of free (Abelian) topological groups
Authors
Fucai Lin, Ziqin Feng, Chuan Liu,
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Journal
Topology and its Applications
Journal: Topology and its Applications
Related Categories
54E99
54D10
54H99
22A30
Free Abelian topological group
Countable tightness
primary
secondary
Lašnev space
Free topological group
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Applied Mathematics
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