WEIMIN XUE
Modules with projective socles
Pages: 311-315
Received: 3 November 1992
Mathematics Subject Classification: 16D40
Abstract
Modules (resp., rings) with projective socles are called PS-modules (resp. PS-rings)
which are preserved by Morita equivalences and excellent extensions. Although a left
semihereditary ring or a local PS-ring need not be a right PS-ring, we show that a duo PS-ring must
be a ring PS-ring.