On the cofinality of the splitting number

Alan Dow; Saharon Shelah

doi:10.1016/j.indag.2017.01.010

On the cofinality of the splitting number

Alan Dow^*
, Saharon Shelah

^*Corresponding author for this work

Einstein Institute of Mathematics

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

13 Scopus citations

Abstract

The splitting number s can be singular. The key method is to construct a forcing poset with finite support matrix iterations of ccc posets introduced by Blass and Shelah (1989).

Original language	English
Pages (from-to)	382-395
Number of pages	14
Journal	Indagationes Mathematicae
Volume	29
Issue number	1
DOIs	https://doi.org/10.1016/j.indag.2017.01.010
State	Published - Feb 2018

Bibliographical note

Publisher Copyright:
© 2017 Royal Dutch Mathematical Society (KWG)

Keywords

Cardinal invariants of the continuum
Matrix forcing
Splitting number

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10.1016/j.indag.2017.01.010

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author = "Alan Dow and Saharon Shelah",

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KW - Splitting number

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On the cofinality of the splitting number

Abstract

Bibliographical note

Keywords

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