Communications of the
Korean Mathematical Society
CKMS

ISSN(Print) 1225-1763 ISSN(Online) 2234-3024

Article

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Commun. Korean Math. Soc. 1997; 12(1): 135-144

Printed March 1, 1997

Copyright © The Korean Mathematical Society.

Sandwich semigroups of closed functions

Younki Chae, Wonkyun Jeong

Kyungpook National University

Abstract

The purpose of this paper is to find all $K_1$-minimal ideals of a sandwich semigroup of closed functions.

Keywords: Minimal ideal, semigroup

MSC numbers: 54C10