The ultrafilter number for singular cardinals

Shimon Garti; Saharon Shelah

doi:10.1007/s10474-012-0245-0

The ultrafilter number for singular cardinals

Shimon Garti, Saharon Shelah

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

We prove the consistency of a singular cardinal λ with small value of the ultrafilter number u _λ, and arbitrarily large value of 2 ^λ.

Original language	English
Pages (from-to)	296-301
Number of pages	6
Journal	Acta Mathematica Hungarica
Volume	137
Issue number	4
DOIs	https://doi.org/10.1007/s10474-012-0245-0
State	Published - 1 Nov 2012
Externally published	Yes

Keywords

large cardinal
pcf theory
ultrafilter number

ASJC Scopus subject areas

General Mathematics

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10.1007/s10474-012-0245-0

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The ultrafilter number for singular cardinals

Abstract

Keywords

ASJC Scopus subject areas

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