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AB5-modules with the exchange property
Journal article   Peer reviewed

AB5-modules with the exchange property

Yasser Ibrahim and Mohamed Yousif
Communications in algebra, Vol.49(8), pp.3255-3262
07/07/2021

Abstract

Mathematics Physical Sciences Science & Technology
We prove that every AB5*-module has an indecomposable decomposition. As an immediate consequence, every AB5*-module M with the finite exchange is clean and has the full exchange. Moreover, in this case the module M admits an indecomposable decomposition M = circle plus(i is an element of I)Mi with each M-i having local endomorphism ring, and the decomposition complements direct summands.

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