A homological characterization of abelian $B_ 2$-groups
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- by K. M. Rangaswamy PDF
- Proc. Amer. Math. Soc. 121 (1994), 409-415 Request permission
Abstract:
Assuming the Continuum Hypothesis, we show that a torsion-free abelian group G is a ${B_2}$-group if and only if ${\text {Bext}^1}(G,T) = 0 = {\text {Bext}^2}(G,T)$, for every torsion group T.References
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Additional Information
- © Copyright 1994 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 121 (1994), 409-415
- MSC: Primary 20K20; Secondary 20K35, 20K40
- DOI: https://doi.org/10.1090/S0002-9939-1994-1186993-3
- MathSciNet review: 1186993