A NOTE ON THE ENDOMORPHISM RING OF ORTHOGONAL MODULES
Tóm tắt
In this paper, we extend Mohamed-Mu ¨ller’s results [2, Lemma 3.3]about the endomorphism ring of a module M = ⊕i2IMi; where Mi and Mj are
orthogonal for all distinct elements i; j 2 I.
about the endomorphism ring of a module M = ⊕i2IMi; where Mi and Mj are
orthogonal for all distinct elements i; j 2 I.
