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Matrix representations of endomorphism rings for torsion-free abelian groups. (English. Russian original) Zbl 07760651

Vestn. St. Petersbg. Univ., Math. 56, No. 3, 341-349 (2023); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 10(68), No. 3, 487-498 (2023).
MSC:  20Kxx 16Dxx 16Sxx
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Polarization of generalized Nijenhuis torsions. (English) Zbl 07738965

Krasil’shchik, I. S. (ed.) et al., The diverse world of PDEs. Algebraic and cohomological aspects. Alexandre Vinogradov memorial conference. Diffieties, cohomological physics, and other animals, Independent University of Moscow and Moscow State University, Moscow, Russia, December 13–17, 2021. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 789, 209-223 (2023).
MSC:  53A45 58C40 58A30
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On the question of the definability of certain classes of completely decomposable abelian torsion-free groups by their homomorphism groups. (English. Russian original) Zbl 1520.20108

Math. Notes 113, No. 5, 700-703 (2023); translation from Mat. Zametki 113, No. 5, 738-741 (2023).
MSC:  20K20
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