On the torsion subgroup of Ext(A,G)

DOI10.1007/BF01238460zbMath0402.20043MaRDI QIDQ1255583

K. Appert

Publication date: 1979

Published in: Archiv der Mathematik (Search for Journal in Brave)

zbMATH Keywords

Compact Connected Topological GroupInvariants of the Divisible Group Ext(A,G)Torsion Subgroup of Ext(A,G)Torsion-Free Rank

Mathematics Subject Classification ID

Torsion-free groups, infinite rank (20K20) Extensions of abelian groups (20K35) Homological and categorical methods for abelian groups (20K40) Torsion-free groups, finite rank (20K15) Topological methods for abelian groups (20K45)

Related Items (6)

Unnamed Item ⋮ Remarks about the history of Abelian groups in England and Germany. ⋮ When is Ext(A, B) torsion-free?, and related problems ⋮ Extensions of order \(p\) ⋮ On torision-free ext ⋮ On cartesian powers of a rational group

Cites Work

• Unnamed Item
• Abelian group extensions and the axiom of constructibility
• Les foncteurs dérivés de lim et leurs applications en théorie des modules
• Extensions of torsion-free Abelian groups of finite rank
• Abelian groups without elements of finite order
• Algebraic characterization of abelian divisible groups which admit compact topologies

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