Density topology on R is not a Borel subset of its Stone-Čech compactification

zbMath0583.54015MaRDI QIDQ1069166

K. C. Goswami

Publication date: 1985

Published in: Indian Journal of Pure \& Applied Mathematics (Search for Journal in Brave)

zbMATH Keywords

density topologyStone-Čech compactificationBorel subsetČech-completeness propertystrongly \(\alpha \) -favourable Baire space

Mathematics Subject Classification ID

Extensions of spaces (compactifications, supercompactifications, completions, etc.) (54D35) Foundations: limits and generalizations, elementary topology of the line (26A03) Descriptive set theory (topological aspects of Borel, analytic, projective, etc. sets) (54H05)

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