The Functor Bext under the Negation of CH

DOI10.1515/form.1991.3.23zbMath0723.20033OpenAlexW2067374486MaRDI QIDQ3211530

Bernhard Thomé, Manfred Dugas

Publication date: 1991

Published in: Forum Mathematicum (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/186412

zbMATH Keywords

torsion-free abelian groupcompletely decomposable groupnegation of CHbalanced extensionsButler groupbalanced subgroup

Mathematics Subject Classification ID

Model-theoretic algebra (03C60) Consistency and independence results (03E35) Continuum hypothesis and Martin's axiom (03E50) Torsion-free groups, infinite rank (20K20) Extensions of abelian groups (20K35) Direct sums, direct products, etc. for abelian groups (20K25)

Related Items (10)

Butler groups of infinite rank ⋮ Subgroups of butler groups ⋮ Endomorphism rings of \(B_2\)-groups of infinite rank ⋮ The affinity of set theory and abelian group theory. ⋮ Remarks about the history of Abelian groups in England and Germany. ⋮ On abelian groups by which balanced extensions of a rational group split ⋮ Butler groups that are unions of subgroups with countable typesets ⋮ Abelian groups ⋮ Butler groups of infinite rank ⋮ Butler groups of arbitrary cardinality

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