Torsion-free abelian groups revisited

  • Phill Schultz

    The University of Western Australia, Perth, Australia
Torsion-free abelian groups revisited cover
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Let be a torsion-free abelian group of finite rank. The orbits of the action of Aut() on the set of maximal independent subsets of determine the indecomposable decompositions. contains a direct sum of pure strongly indecomposable groups as a subgroup of finite index.

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Phill Schultz, Torsion-free abelian groups revisited. Rend. Sem. Mat. Univ. Padova 144 (2020), pp. 239–252

DOI 10.4171/RSMUP/67