Weakly Periodic and Subweakly Periodic RingsAMBER ROSIN, Adil M. Yaqub2002Throughout, R represents a ring and (R) denotes the commutator ideal of R. For any x,y in R, [x,y] = xy âˆ’yx is the usual commutator. A word w(x,y) is a product in which each factor is x or y . Theâ€¦ (More)