The almost-disjointness number may have countable cofinality-Reference-Cited by-同舟云学术

The almost-disjointness number may have countable cofinality

Published:2003-02-27 Issue:7 Volume:355 Page:2633-2649
ISSN:0002-9947
Container-title:Transactions of the American Mathematical Society
language:en
Short-container-title:Trans. Amer. Math. Soc.

Author:

Brendle Jörg

Abstract

We show that it is consistent for the almost-disjointness number a \mathfrak {a} to have countable cofinality. For example, it may be equal to ℵ ω \aleph _\omega .

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics,General Mathematics

Link

http://www.ams.org/tran/2003-355-07/S0002-9947-03-03271-9/S0002-9947-03-03271-9.pdf

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