The consistency of \(\mathrm{Ext}\,(G,\mathbb{Z})=\mathbb{Q}\)
type: Item
instance of: scholarly article
title: The consistency of \(\mathrm{Ext}\,(G,\mathbb{Z})=\mathbb{Q}\)
zbMATH Open document ID: 0464.20043
DOI: 10.1007/BF02762854
author: S. Shelah
published in: Israel Journal of Mathematics
publication date: 1981-01-01T00:00:00Z
Mathematics Subject Classification ID: 20K35
Mathematics Subject Classification ID: 20K15
Mathematics Subject Classification ID: 03E35
Mathematics Subject Classification ID: 20A15
Mathematics Subject Classification ID: 03E50
zbMATH DE Number: 3726616
zbMATH Keywords: consistency
zbMATH Keywords: Ext(G,Z)
zbMATH Keywords: torsion-free abelian group
zbMATH Keywords: forcing
MaRDI profile type: Publication
cites work: Q5609457
cites work: Singular cohomology in \(L\)
cites work: The structure of Ext\((A,\mathbb{Z})\) and \(V=L\)
cites work: Q3852172
cites work: Infinite Abelian groups, Whitehead problem and some constructions
cites work: Whitehead groups may be not free, even assuming CH. I
cites work: On uncountable Abelian groups
cites work: Whitehead groups may not be free even assuming CH. II
full work available at URL: https://doi.org/10.1007/bf02762854
OpenAlex ID: W2088545614
description: scientific article; zbMATH DE number 3726616