Rank in the semigroup of all order-preserving transformations in E classes for I_(E*)(X)
Long Wei-fen · Journal of Guizhou Normal University · 2014
Let E be an equivalence on a finite total order set X.The semigroup denote by OIE*(X)consisting of all order-preserving transformations in E classes for IE*(X).This paper characterizes its rank under certain assumptions.