ON KERNEL OF ORDERED SEMIGROUPS - A CORRIGENDUM
Niovi Kehayopulu, Michael Tsingelis · Communications of the Korean Mathematical Society · 2013
According to the paper in [3], the kernel of an ordered semigroup S is a completely regular subsemigroup of S. In this note we show that the kernel of an ordered semigroup S is not a completely regular subsemigroup of S, in general.