ON QUASI COMULTIPLICATION MODULES OVER PULLBACK RINGS

Year 2019, Volume: 26 Issue: 26, 95 - 110, 11.07.2019

S. Ebrahimi Atani , F. Esmaeili Khalil Saraei

https://doi.org/10.24330/ieja.586980

Abstract

We classify all indecomposable quasi comultiplication modules

over pullback of two Dedekind domains. We extend the denitions and the

results of comultiplication modules over pullback rings to a more general quasi

comultiplication modules case.

Keywords

Pullback, separated module, quasi comultiplication module, Dedekind domain, pure-injective module

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