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math.CT2023
Descent in the dual category of ternary rings
Guram Samsonadze, Dali Zangurashvili
It is shown that, in the variety of ternary rings, the elements of amalgamated free products have unique normal forms, and, moreover, this variety satisfies the strong amalgamation…
math.RA2023
On stable-projective and injective-costable decompositions of modules
Dali Zangurashvili
It is proved that, for a left hereditary ring, an arbitrary left module has a representation in the form of the direct sum of a stable left module and indecomposable projective lef…