Classifying almost-disjoint families with applications to \(\beta N-N\)

DOI10.1007/BF02771729zbMath0232.04003OpenAlexW1963684257MaRDI QIDQ2550730

Stephen H. Hechler

Publication date: 1971

Published in: Israel Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf02771729

Mathematics Subject Classification ID

Set theory (03E99)

Related Items

COMPLETELY SEPARABLE MAD FAMILIES AND THE MODAL LOGIC OF βω, Weak normality properties in ${\varPsi }$-spaces, General topology (set-theoretic trend), Partition Algebras for Almost-Disjoint Families, Independence of two set-theoretic statements in the theory of summation, An improper arithmetically closed Borel subalgebra of \(\mathcal P(\omega)\) mod FIN, There is a +-Ramsey \(\mathsf{MAD}\) family, A countable Fréchet-Urysohn space of uncountable character, Completely separable families and Ramsey's theorem, Forcings with ideals and simple forcing notions, Madness and weak forms of normality, Separability properties of almost-disjoint families of sets

Cites Work

• Iterated Cohen extensions and Souslin's problem
• Internal cohen extensions
• Short complete nested sequences in βN⧹N and small maximal almost-disjoint families
• Unnamed Item
• Unnamed Item
• Unnamed Item