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REMARKS ON QUASI-LINDELÖF SPACES

Published online by Cambridge University Press:  12 June 2013

YAN-KUI SONG*
Affiliation:
Institute of Mathematics, School of Mathematical Science, Nanjing Normal University, Nanjing 210023, PR China email songyankui@njnu.edu.cn
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Abstract

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In this paper, we show that there exist a Tychonoff quasi-Lindelöf space $X$ and a compact space $Y$ such that $X\times Y$ is not quasi-Lindelöf. This answers negatively an open question of Petra Staynova.

Type
Research Article
Copyright
Copyright ©2013 Australian Mathematical Publishing Association Inc. 

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