Weak continuity properties of topologized groups

被引:0
作者
J. Cao
R. Drozdowski
Z. Piotrowski
机构
[1] Auckland University of Technology,School of Computing and Mathematical Sciences
[2] Pedagogical University of Slupsk,Institute of Mathematics
[3] Youngstown State University,Department of Mathematics
来源
Czechoslovak Mathematical Journal | 2010年 / 60卷
关键词
developability number; feebly continuous; nearly continuous; Novak number; paratopological group; semitopological group; topological group; 54H11; 22A05; 54C08; 54E52;
D O I
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中图分类号
学科分类号
摘要
We explore (weak) continuity properties of group operations. For this purpose, the Novak number and developability number are applied. It is shown that if (G, ·, τ) is a regular right (left) semitopological group with dev(G) < Nov(G) such that all left (right) translations are feebly continuous, then (G, ·, τ) is a topological group. This extends several results in literature.
引用
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页码:133 / 148
页数:15
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