The sequential defect of the cross topology is \(\omega _ 1\)

DOI10.1016/0166-8641(85)90088-4zbMath0569.54028OpenAlexW2028649402MaRDI QIDQ1060732

Gabriele H. Greco

Publication date: 1985

Published in: Topology and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0166-8641(85)90088-4

zbMATH Keywords

topological closuresequential closurecross topologypretopologiesrational plane

Mathematics Subject Classification ID

Sequential spaces (54D55) Topological spaces and generalizations (closure spaces, etc.) (54A05)

Related Items (2)

Abundance of spaces akin to \(S_{\omega}\) ⋮ Unnamed Item

Cites Work

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• Ordinal invariants for topological spaces
• Topologically maximal pretopologies
• On convergence spaces and their sequential envelopes

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