Author:
SUN LEI,PEI HUISHENG,CHENG ZHENGXING
Abstract
AbstractLet 𝒯X be the full transformation semigroup on a set X and E be a nontrivial equivalence on X. Write then TE(X) is a subsemigroup of 𝒯X. In this paper, we endow TE(X) with the so-called natural order and determine when two elements of TE(X) are related under this order, then find out elements of TE(X) which are compatible with ≤ on TE(X). Also, the maximal and minimal elements and the covering elements are described.
Publisher
Cambridge University Press (CUP)
Cited by
15 articles.
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