Rings of quasi-endomorphisms of some direct sums of torsion-free Abelian groups
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DOI: 10.3103/s1066369x17010078
Abstract: We consider a representation of quasi-endomorphisms of Abelian torsion-free groups of rank 4 bymatrices of order 4 over the field of rational numbers Q. We obtain a classification for quasi-endomorphism rings of Abelian torsion-free groups… read more here.
Keywords: torsion free; torsion; quasi endomorphisms; rings quasi ... See more keywords