A Note on Normal Orthocryptou Semigroups
Yizhi Chen · Journal of Huizhou University · 2007
The paper showed that a semigroup S was a normal orthocryptou semigroup if and only if it was a strong semilattice of rectangular u-semigroups.Also,by this result,the paper gives a lot of corresponding corollaries in the range of abundant and regular semigroups.