Abstract
We obtain the matrix representation of the minimal rational algebra whose subalgebras, up to isomorphism, are quasi-endomorphism rings of strongly indecomposable torsion-free Abelian groups of rank 4 with pseudosocles of rank 1.
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Translated from Fundamentalnaya i Prikladnaya Matematika, Vol. 17, No. 8, pp. 177–182, 2011/12.
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Cherednikova, A.V. Quasi-Endomorphism Rings of Strongly Indecomposable Torsion-Free Abelian Groups of Rank 4 With Pseudosocles of Rank 1. J Math Sci 197, 703–707 (2014). https://doi.org/10.1007/s10958-014-1754-x
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DOI: https://doi.org/10.1007/s10958-014-1754-x