ACTA issues

Monoidal intervals on three- and four-element sets

Miklós Dormán, Géza Makay, Miklós Maróti, Róbert Vajda

Acta Sci. Math. (Szeged) 81:3-4(2015), 399-424

Abstract. The aim of this paper is to give an overview about monoidal intervals on three- and four-element sets. Furthermore, two uncountable monoidal intervals on three-element sets are presented in the paper, and we describe some infinite families of collapsing monoids.

DOI: 10.14232/actasm-014-028-3

AMS Subject Classification (1991): 08A40

Keyword(s): collapsing monoid, monoidal interval

Received April 6, 2014, and in revised form June 16, 2015. (Registered under 28/2014.)