On the homological significance of the group of rationals with square- free denominators

DOI10.1007/BF01191264zbMath0638.20031OpenAlexW2083895140MaRDI QIDQ1099256

Werner Krandick

Publication date: 1989

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

Full work available at URL: https://doi.org/10.1007/bf01191264

zbMATH Keywords

Frattini subgroupstorsion-free Abelian groupsFrattini closuresvanishing of Ext

Mathematics Subject Classification ID

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) Subgroups of abelian groups (20K27)

Related Items (1)

Abelian groups

Cites Work

• On the values of the functor \(\lim^1\)
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