Torsion-free abelian groups revisited

Research output: Contribution to journalArticlepeer-review


– Let G be a torsion-free abelian group of finite rank. The orbits of the action of Aut.G/ on the set of maximal independent subsets of G determine the indecomposable decompositions. G contains a direct sum of pure strongly indecomposable groups as a subgroup of finite index.

Original languageEnglish
Pages (from-to)239-252
Number of pages14
JournalRendiconti del Seminario Matematico dell 'Universita' di Padova/Mathematical Journal of the University of Padova
Publication statusPublished - 2020


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