A characterization of Ext(G,Z) assuming (V=L)

DOI10.4064/FM193-2-3zbMath1116.20036arXivmath/0609638OpenAlexW2059274206MaRDI QIDQ3414794

Saharon Shelah, Lutz H. Strüngmann

Publication date: 10 January 2007

Published in: Fundamenta Mathematicae (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math/0609638

zbMATH Keywords

torsion-free Abelian groupsWhitehead problem

Mathematics Subject Classification ID

Model-theoretic algebra (03C60) Consistency and independence results (03E35) Continuum hypothesis and Martin's axiom (03E50) Ext and Tor, generalizations, Künneth formula (category-theoretic aspects) (18G15) Torsion-free groups, infinite rank (20K20) Extensions of abelian groups (20K35) Homological and categorical methods for abelian groups (20K40)

Related Items (1)

On the \(p\)-rank of \(\mathrm{Ext}(A,B)\) for countable Abelian groups \(A\) and \(B\).

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