Geodesic
On abelian groups with central squares of commutators of endomorphisms
Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika, no. 4 (2013), pp. 54-59

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We describe divisible, completely decomposable, vector, and separable torsion free groups for which the squares of commutators of their endomorphisms are central in endomorphism rings of these groups.
Keywords: endomorphism ring, commutator of endomorphisms
Mots-clés : $E$-commutant. 
A. R. Chekhlov; Ml. V. Agafontseva. On abelian groups with central squares of commutators of endomorphisms. Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika, no. 4 (2013), pp. 54-59. http://geodesic.mathdoc.fr/item/VTGU_2013_4_a6/
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