Title of article
Completely coretractable rings
Author/Authors
ZEMLICKA, J
Pages
6
From page
523
To page
528
Abstract
A module MM is said to be coretractable if there exists a nonzero homomorphism of every nonzero factor of MM into MM. We prove that all right (left) modules over a ring are coretractable if and only if the ring is Morita equivalent to a finite product of local right and left perfect rings
Keywords
Coretractable module , retractable module , Kash ring
Journal title
Astroparticle Physics
Serial Year
2013
Record number
2406558
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