3 citations · 8 across the 23 of their papers we have counts for
4 papers · 1 filter
On the Word Problem for Compressible Monoids
Carl-Fredrik Nyberg-Brodda
We study the language-theoretic properties of the word problem, in the sense of Duncan & Gilman, of weakly compressible monoids, as defined by Adian & Oganesian. We show that if $\…
On the Word Problem for Special Monoids
Carl-Fredrik Nyberg-Brodda
A monoid is called special if it admits a presentation in which all defining relations are of the form . Every group is special, but not every monoid is special. In this art…
The Geometry of Special Monoids
Carl-Fredrik Nyberg-Brodda
A monoid is said to be special if it admits a presentation in which all defining relations are of the form . Groups are familiar examples of special monoids. This article st…
The B. B. Newman Spelling Theorem
Carl-Fredrik Nyberg-Brodda
This article aims to be a self-contained account of the history of the B. B. Newman Spelling Theorem, including the historical context in which it arose. First, an account of B. B.…