Adding ultrafilters by definable quotients

DOI10.1007/s12215-011-0064-0zbMath1236.03034OpenAlexW2126859990MaRDI QIDQ658952

Michael Hrušák, Jonathan L. Verner

Publication date: 9 February 2012

Published in: Rendiconti del Circolo Matemàtico di Palermo. Serie II (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s12215-011-0064-0

zbMATH Keywords

selective ultrafilterultrafilterP-pointrapid ultrafilter\(F _{ \sigma }\)-idealQ-point

Mathematics Subject Classification ID

Consistency and independence results (03E35) Other combinatorial set theory (03E05) Cardinal characteristics of the continuum (03E17)

Related Items (9)

Mathias-Prikry and Laver type forcing; summable ideals, coideals, and \(+\)-selective filters ⋮ The Borel complexity of ideal limit points ⋮ Infinite-dimensional Ellentuck spaces and Ramsey-classification theorems ⋮ Characterizing existence of certain ultrafilters ⋮ Ramsey type properties of ideals ⋮ Mathias-Prikry and Laver-Prikry type forcing ⋮ Splitting positive sets ⋮ Representation of ideal convergence as a union and intersection of matrix summability methods ⋮ CLASSES OF BARREN EXTENSIONS

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