σ-Entangled linear orders and narrowness of products of Boolean algebras

Saharon Shelah

doi:10.4064/fm-153-3-199-275

σ-Entangled linear orders and narrowness of products of Boolean algebras

Saharon Shelah^*

^*Corresponding author for this work

Einstein Institute of Mathematics

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

4 Scopus citations

Abstract

We investigate σ-entangled linear orders and narrowness of Boolean algebras. We show existence of σ-entangled linear orders in many cardinals, and we build Boolean algebras with neither large chains nor large pies. We study the behavior of these notions in ultraproducts.

Original language	English
Pages (from-to)	199-275
Number of pages	77
Journal	Fundamenta Mathematicae
Volume	153
Issue number	3
DOIs	https://doi.org/10.4064/fm-153-3-199-275
State	Published - 1997

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σ-Entangled linear orders and narrowness of products of Boolean algebras

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