A ZFC dowker space in Yω+1: An application of PCF theory to topology

Menachem Kojman; Saharon Shelah

doi:10.1090/s0002-9939-98-04884-9

A ZFC dowker space in Y_ω+1: An application of PCF theory to topology

Menachem Kojman^*
, Saharon Shelah

^*Corresponding author for this work

Einstein Institute of Mathematics

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

18 Scopus citations

Abstract

The existence of a Dowker space of cardinality Y_ω+1 and weight Y_ω+1 is proved in ZFC using pcf theory.

Original language	English
Pages (from-to)	2459-2465
Number of pages	7
Journal	Proceedings of the American Mathematical Society
Volume	126
Issue number	8
DOIs	https://doi.org/10.1090/s0002-9939-98-04884-9
State	Published - 1998

Keywords

Cardinality
Dowker space
Pcf theory
ZFC

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10.1090/s0002-9939-98-04884-9

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title = "A ZFC dowker space in Yω+1: An application of PCF theory to topology",

abstract = "The existence of a Dowker space of cardinality Yω+1 and weight Yω+1 is proved in ZFC using pcf theory.",

keywords = "Cardinality, Dowker space, Pcf theory, ZFC",

author = "Menachem Kojman and Saharon Shelah",

year = "1998",

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KW - Cardinality

KW - Dowker space

KW - Pcf theory

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A ZFC dowker space in Y_ω+1: An application of PCF theory to topology

Abstract

Keywords

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