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Cardinal invariants about shrinkability of unbounded sets

✍ Scribed by Masaru Kada; Yoshifumi Yuasa

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 408 KB
Volume: 74
Category: Article
ISSN: 0166-8641
DOI: 10.1016/s0166-8641(96)00057-0

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✦ Synopsis

In our previous paper (Eda et al., to appear), we introduced a cardinal invariant b* and studied some properties of the cardinal b*. In the present paper we define new cardinal invariants which are related to Cichofi's diagram and generalize the notion of b*. We investigate the relations between them and other cardinals which appear in Cichofi's diagram.

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