Locally Maximal Idempotent-generated Subsemigroups of Finite Orientation-preserving Singular Partial Transformation Semigroups
Ping Zhao, Mei Yang · Algebra Colloquium · 2013
In this paper we describe locally maximal idempotent-generated subsemigroups of finite orientation-preserving singular partial transformation semigroups SPOPn and obtain a complete classification. We also obtain a classification of locally maximal idempotent-generated subsemigroups of finite order-preserving singular partial transformation semigroups [Formula: see text] with respect to ≤k.