Dear all;
I need help, to give me example which is quasi-injective act but not quasi-injective module?
https://www.researchgate.net/publication/309549583_QUASI-INJECTIVE_GAMMA_MODULES,this link may be helpful
https://iopscience.iop.org/article/10.1088/1742-6596/1818/1/012047/pdf,this link may be useful.
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