A NOTE ON SPACES WHICH HAVE COUNTABLE TIGHTNESS

DOI10.4134/CKMS.2011.26.2.297zbMath1214.54004OpenAlexW2009403891MaRDI QIDQ3002504

Woo Chorl Hong

Publication date: 20 May 2011

Published in: Communications of the Korean Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4134/ckms.2011.26.2.297

zbMATH Keywords

countable tightnessc(a)-closure operatorsstrongly sequentially closedstrongly sequentially openweak Fréchet-Urysohn property

Mathematics Subject Classification ID

Special maps on topological spaces (open, closed, perfect, etc.) (54C10) Sequential spaces (54D55) Quotient spaces, decompositions in general topology (54B15) Convergence in general topology (sequences, filters, limits, convergence spaces, nets, etc.) (54A20) Fairly general properties of topological spaces (54D99)

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