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Sibirskie Èlektronnye Matematicheskie Izvestiya [Siberian Electronic Mathematical Reports], 2008, Volume 5, Pages 189–192 (Mi semr98)  
Research papers

Some characterizations of cosmic-spaces

X. Geab

a Department of Mathematics, College of Zhangjiagang, Jiangsu University of Science and Technology, China
b Department of Mathematics, Suzhou University, China
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Abstract: In this paper, we prove that a space $X$ is a cosmic space if and only if it has a $\sigma$-strong network consisting of countable covers of $X$, which give a new characterization of cosmic-spaces.
Keywords: cosmic space, separable metric space.
Received March 22, 2006, published April 8, 2008
Bibliographic databases:
Document Type: Article
UDC: 515.126, 515.128
MSC: 54D65, 54E20, 54E40
Language: English
Citation: X. Ge, “Some characterizations of cosmic-spaces”, Sib. Èlektron. Mat. Izv., 5 (2008), 189–192
Citation in format AMSBIB
\Bibitem{Ge08}
\by X.~Ge
\paper Some characterizations of cosmic-spaces
\jour Sib. \`Elektron. Mat. Izv.
\yr 2008
\vol 5
\pages 189--192
\mathnet{http://mi.mathnet.ru/semr98}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=2586629}
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