The almost-disjointness number may have countable cofinality

DOI10.1090/S0002-9947-03-03271-9zbMath1061.03051MaRDI QIDQ4806451

Jörg Brendle

Publication date: 14 May 2003

Published in: Transactions of the American Mathematical Society (Search for Journal in Brave)

zbMATH Keywords

iterated forcingalmost-disjointness numbermaximal almost-disjoint family

Mathematics Subject Classification ID

Consistency and independence results (03E35) Continuum hypothesis and Martin's axiom (03E50) Cardinal characteristics of the continuum (03E17)

Related Items (14)

MAD SPECTRA ⋮ The spectrum of independence. II ⋮ Maximal cofinitary groups revisited ⋮ On the cofinality of the splitting number ⋮ Halfway new cardinal characteristics ⋮ PARTITION FORCING AND INDEPENDENT FAMILIES ⋮ Open problems in topology. ⋮ Remarks on generalized ultrafilter, dominating and reaping numbers ⋮ GENERIC EXISTENCE OF MAD FAMILIES ⋮ Pseudo P-points and splitting number ⋮ The ultrafilter and almost disjointness numbers ⋮ MADNESS IN VECTOR SPACES ⋮ Template iterations and maximal cofinitary groups ⋮ MAD families and strategically bounding forcings

Cites Work

• Combinatorial Cardinal Characteristics of the Continuum
• Short complete nested sequences in βN⧹N and small maximal almost-disjoint families
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