Diamonds

Saharon Shelah

doi:10.1090/S0002-9939-10-10254-8

Diamonds

Saharon Shelah^*

^*Corresponding author for this work

Einstein Institute of Mathematics

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

63 Scopus citations

Abstract

If λ = x⁺ then diamond on λ holds. Moreover, if if λ = x⁺= 2^X and S⊆{δ <λ : cf (s) ≠ cf(x)} is stationary, then s holds. Earlier this was known only under additional assumptions on xand/or S.

Original language	English
Pages (from-to)	2151-2161
Number of pages	11
Journal	Proceedings of the American Mathematical Society
Volume	138
Issue number	6
DOIs	https://doi.org/10.1090/S0002-9939-10-10254-8
State	Published - Jun 2010

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title = "Diamonds",

abstract = "If λ = x+ then diamond on λ holds. Moreover, if if λ = x+= 2X and S⊆\{δ <λ : cf (s) ≠ cf(x)\} is stationary, then s holds. Earlier this was known only under additional assumptions on xand/or S.",

author = "Saharon Shelah",

year = "2010",

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AB - If λ = x+ then diamond on λ holds. Moreover, if if λ = x+= 2X and S⊆{δ <λ : cf (s) ≠ cf(x)} is stationary, then s holds. Earlier this was known only under additional assumptions on xand/or S.

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JO - Proceedings of the American Mathematical Society

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Diamonds

Abstract

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