Title of article :
ON QUASI COMULTIPLICATION MODULES OVER PULLBACK RINGS
Author/Authors :
Ebrahimi Atani, S Faculty of Mathematical Sciences - University of Guilan , Esmaeili Khalil Saraei, F Fouman Faculty of Engineering College of Engineering - University of Tehran
Abstract :
We classify all indecomposable quasi comultiplication modules
over pullback of two Dedekind domains. We extend the definitions 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
Journal title :
International Electronic Journal of Algebra
