A few special ordinal ultrafilters

DOI10.2307/2275792zbMath0871.04004arXivmath/9501208OpenAlexW2022388205MaRDI QIDQ5687323

Claude Laflamme

Publication date: 24 September 1997

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

Full work available at URL: https://arxiv.org/abs/math/9501208

zbMATH Keywords

Rudin-Keisler orderingordinal ultrafilter

Mathematics Subject Classification ID

Consistency and independence results (03E35) Continuum hypothesis and Martin's axiom (03E50) Other combinatorial set theory (03E05) Ordinal and cardinal numbers (03E10)

Related Items (5)

Continuous extension of maps between sequential cascades ⋮ Ordinal ultrafilters versus P-hierarchy ⋮ Between P-points and nowhere dense ultrafilters ⋮ Thin ultrafilters and the P-hierarchy of ultrafilters ⋮ How high can Baumgartner's \(\mathcal{I}\)-ultrafilters lie in the P-hierarchy?

Cites Work

• Set theory. An introduction to independence proofs
• Forcing with filters and complete combinatorics
• Ultrafilters on a countable set

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