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On infinite direct sums of lifting modules.) of simple right (Formula presented.)-modules, every essential extension of (Formula presented.) is a direct
Retractable and coretractable modules in Wisbauer categoryA right R-module M is called: (1) retractable if HomR(M,N)≠0 for any non-zero submodule N of M; (2
Dual automorphism-invariant modules over perfect rings© 2017, Pleiades Publishing, Ltd. Under study are the dual automorphism-invariant modules
Semisimple-direct-injective modulesThe notion of simple-direct-injective modules which are a generalization of injective modules
Almost Projective and Almost Injective Modules© 2018, Pleiades Publishing, Ltd. The structure of rings over which every right module is almost
Modules close to SSP- and SIP-modules-Rickart modules. We give equivalent conditions for SIP and SSP modules; establish connections between the class
Dual automorphism-invariant modules over perfect rings© 2017, Pleiades Publishing, Ltd. Under study are the dual automorphism-invariant modules
On infinite direct sums of lifting modules.) of simple right (Formula presented.)-modules, every essential extension of (Formula presented.) is a direct
CS-Rickart modules-Rickart modules, that is a module analogue of the concept of ACS rings. A ring R is called a right weakly
I* 0-ModulesWe study rings over which every module is an I*0 -module dual to I 0-module. We describe
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