Generalizations of Morphic Group RingsLibo Zan, Jianlong Chen, Qinghe HuangInt. J. Math. Mathematical Sciences2007An element a in a ring R is called left morphic if there exists b ∈ R such that 1R(a)= Rb and 1R(b)= Ra. R is called left morphic if every element ofR is left morphic. An element a in a ring R is… (More)