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Showing 1 to 2 of 2 for “"almost completely decomposable group"”.
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Coset Types and Tight Subgroups of Almost Completely Decomposable Groups
A completely decomposable group is a direct sum of subgroups of the rationals. An almost completely decomposable group is a torsion free abelian group that contains a completely decomposable group as subgroup of finite index. Tight subgroups are maximal subgroups (with respect to set inclusion) …
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Isomorphism classes of almost completely decomposable groups
… classes and isomorphism classes of almost completely decomposable groups. In Chapter 2 we introduce the concept of almost completely decomposable groups and sum up their most important facts. A local group is an almost completely decomposable group with a primary regulator quotient. …