Two step iteration of almost disjoint families

DOI10.2178/jsl/1080938827zbMath1090.03020OpenAlexW2098284475MaRDI QIDQ5313383

Jerry E. Vaughan

Publication date: 29 August 2005

Published in: Journal of Symbolic Logic (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2178/jsl/1080938827

zbMATH Keywords

Urysohn spaceHausdorff spacesmall uncountable cardinalsAlmost disjoint familiesiteration of \(\psi\)

Mathematics Subject Classification ID

Consistency and independence results (03E35) Convergence in general topology (sequences, filters, limits, convergence spaces, nets, etc.) (54A20) Lower separation axioms ((T_0)--(T_3), etc.) (54D10) Consistency and independence results in general topology (54A35) Cardinal characteristics of the continuum (03E17)

Cites Work

• The Scarborough-Stone problem for Hausdorff spaces
• Hereditary normality of \(\gamma\mathbb{N}\)-spaces
• Short complete nested sequences in βN⧹N and small maximal almost-disjoint families

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