Spaces in which preopen subsets are semiopen

zbMath0912.54030MaRDI QIDQ1277600

Toivo Nieminen, Tuomo Aho

Publication date: 1 March 1999

Published in: Ricerche di Matematica (Search for Journal in Brave)

zbMATH Keywords

hereditarily irresolvable spacesPS-spacesemi-door

Mathematics Subject Classification ID

Extremally disconnected spaces, (F)-spaces, etc. (54G05)

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