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Definability of Completely Decomposable Torsion-Free Abelian Groups by Endomorphism Semigroups and Homomorphism Groups |
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| Authors: | Pushkova T A Sebel’din A M |
| Institution: | 1.Nizhny Novgorod State University of Architecture and Civil Engineering, Nizhny Novgorod, 603600, Russia ;2.“Mathematical Notes,” Steklov Mathematical Institute of Russian Academy of Sciences, Moscow, 119991, Russia ; |
| Abstract: | Mathematical Notes - Let C be an Abelian group. A class X of Abelian groups is called a CE?H-class if, for every groups A, B ∈ X, the isomorphisms E?(A) ? E?(B) and... |
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