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Near Isomorphism for a Class of Infinite Rank Torsion-Free Abelian Groups

Communications in Algebra, 2007
The notion of “near isomorphism” for torsion-free Abelian groups of finite rank is well known. In particular, this concept turned out to be of importance for classifying almost completely decomposable groups. We extend near isomorphism to classes of torsion-free Abelian groups of infinite rank which are unions of bcd–groups, this is to say unions of ...
Ekaterina Blagoveshchenskaya   +1 more
openaire   +3 more sources

Torsion-Free Groups of Infinite Rank

Springer Monographs in Mathematics, 2015
This chapter continues the theme of torsion-free groups, this time for the infinite rank case. There is no shortage of relevant results.
openaire   +3 more sources

Direct decomposition theory under near-isomorphism for a class of infinite rank torsion-free abelian groups

Journal of Group Theory, 2016
Abstract Near-isomorphism is known as the right concept for classification theorems in the theory of almost completely decomposable groups. As a natural generalization the authors extended in [6] the notion of near-isomorphism to Abelian groups of arbitrary rank.
Blagoveshchenskaya, Ekaterina   +1 more
openaire   +1 more source

Nonsingular and ghost-free infinite derivative gravity with torsion

Physical Review D, 2019
Alvaro de la Cruz-Dombriz   +2 more
exaly  

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