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Almost completely decomposable torsion free abelian groups [PDF]
Proceedings of the American Mathematical Society, 1974 A finite rank torsion free abelian group G G is almost completely decomposable if there exists a completely decomposable subgroup C C with finite index in G G . The minimum of [ G : C ] [G:C] over all completely decomposable subgroups C
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The Magnus representation and homology cobordism groups of homology cylinders
, 2015 A homology cylinder over a compact manifold is a homology cobordism between two copies of the manifold together with a boundary parametrization. We study abelian quotients of the homology cobordism group of homology cylinders. For homology cylinders over
Sakasai, Takuya
core
Type radicals and quasi-decompositions of torsion-free abelian groups [PDF]
, 1992 O. Mutzbauer
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Grothendieck and Whitehead groups of torsion free Abelian groups [PDF]
, 1973 Donald M. Arnold
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Completely decomposable direct summands of torsion--free abelian groups\n of finite rank [PDF]
, 2017 Adolf Mader, Phill Schultz
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Torsion free abelian groups quasi-projective over their endomorphism rings. II [PDF]
, 1978 C. Vinsonhaler
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On the splittability of factor groups of torsion-free Abelian groups of finite rank [PDF]
, 1961 Ladislav Procházka
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Strongly pure subgroups of separable torsion-free abelian groups [PDF]
, 1985 Loyiso G. Nongxa
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