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math.RA2006
Automorphisms of the semigroup of invertible matrices with nonnegative elements
Elena I. Bunina, Alexandr V. Mikhalev
In this paper we prove that every automorphism of the semigroup of invertible matrices with nonnegative elements over a linearly oredered associative ring on some specially defined…
math.GR2006
Elementary Equivalence of Endomorphism Rings of Abelian p-Groups
E. I. Bunina, A. V. Mikhalev
In this paper we study a relationship between elementary equivalence of endomorphism rings of Abelian p-groups and second order equivalence of the corresponding Abelian p-groups.