Characterizations of annihilator -inverses in arbitrary rings
arXiv:2001.08368
Abstract
In this paper, we investigate some properties of annihilator -inverses in an arbitrary ring. We demonstrate that one-sided annihilator -inverses of elements in arbitrary rings may behave differently in contrast to one-sided -inverses. Also, we discuss intertwining property, absorption law, reverse order law, and Cline's formula for annihilator -inverses. As applications, we improve and extend some known results to -inverses. In particular, we derive an equivalent condition of intertwining property for -inverses in semigroups.