2 papers
math.GR2026
Two-sided homological properties of special and one-relator monoids
Robert D. Gray, Benjamin Steinberg
A monoid presentation is called special if the right-hand side of each defining relation is equal to 1. We prove results which relate the two-sided homological finiteness propertie…
math.GR2025
On right units of special inverse monoids
Igor Dolinka, Robert D. Gray
We study the class of monoids that arise as the submonoid of right units of finitely presented special inverse monoids (SIMs). Gray and RuÅ¡kuc (2024) gave the first example of a f…