Abstract: | Cammaroto and Noiri [14] introduced a separation axiom calledm-R 0 in anm-space (X, m). In this paper, we introduce the notion ofm-R 1 spaces and offer many characterizations ofm-R 0 (resp.m-R 1) spaces which enable us to obtain unified characterizations of separation axiomsR 0, semi-R 0, pre-R 0,α-R 0,δ-semiR 0, (δ, p)-R 0 (resp.R 1, semi-R 1, pre-R 1,α-R 1,δ-semiR 1, (δ, p)-R 1). |