Dual automorphism-invariant modules over perfect rings


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Abstract

Under study are the dual automorphism-invariant modules and pseudoprojective modules. Some conditions were found under which the dual automorphism-invariant module over a perfect ring is quasiprojective. We also show that if R is a right perfect ring then a pseudoprojective right R-module M is finitely generated if and only if M is a Hopf module.

About the authors

A. N. Abyzov

Kazan (Volga Region) Federal University

Author for correspondence.
Email: Adel.Abyzov@kpfu.ru
Russian Federation, Kazan

T. C. Quynh

Department of Mathematics

Email: Adel.Abyzov@kpfu.ru
Viet Nam, Danang City

D. D. Tai

Faculty of Mathematics

Email: Adel.Abyzov@kpfu.ru
Viet Nam, Vinh City


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