Geodesic
On pseudo-injective and pseudo-projective modules
Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica, no. 3 (2018), pp. 57-67.

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In this work we obtain characterizations of QI rings and semisimple rings using quasi-injective and pseudo-injective modules respectively. We define and construct the pseudo-injective hull of a module and we give sufficient conditions on a ring to have the following properties: every pseudo-injective module is pseudo-projective and every pseudo-projective module is pseudo-injective. We also give some properties of the big lattice of classes of modules being closed under submodules and quasi-injective hulls. 
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     title = {On pseudo-injective and pseudo-projective modules},
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Alejandro Alvarado-García; César Cejudo-Castilla; Tania Gabriela Pérez-Quijano; Ivan Fernando Vilchis-Montalvo. On pseudo-injective and pseudo-projective modules. Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica, no. 3 (2018), pp. 57-67. https://geodesic-test.mathdoc.fr/item/BASM_2018_3_a4/

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