LAUSR

Compact C-closed spaces need not be sequential

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1 Published in 2017 at "Acta Mathematica Hungarica"

DOI: 10.1007/s10474-017-0739-x

Abstract: We obtain an independence result connected to the classic Moore–Mrowka problem. A property known to be intermediate between sequential and countable tightness in the class of compact spaces is the notion of a space being… read more here.

Keywords: space; compact closed; compact; spaces need ... See more keywords

Linearly S-closed spaces

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1 Published in 2022 at "Filomat"

DOI: 10.2298/fil2220841s

Abstract: We introduce the class of linearly S-closed spaces as a proper subclass of linearly H-closed spaces. This property lies between S-closedness and countable S-closedness. A space is called linearly S-closed if and only if any… read more here.

Keywords: spaces linearly; closed spaces; class; space ... See more keywords