RT Journal T1 A survey on the origin and developments of Green’s relations on semigroups A1 GUO Yu-qi1, GONG Chun-mei2, REN Xue-ming2 PB JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) FD 2010-08-16 YR 2010 JF JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) JO JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) VO 45 IS 8 SP 1 DO K1

Green’s relations;  generalized Green’s relations; abundant semigroups; r-ample [l-ample] semigroups; E(S) [U]-semiabundant (or ample) semigroups

LK {http://lxbwk.njournal.sdu.edu.cn/EN/article/article_1858.shtml}