2 papers
math.GR2026
Groups with ET0L co-word problem
Raad Al Kohli, Derek F. Holt, Sarah Rees
We study groups whose co-word problems are ET0L languages, which we call coET0L groups, using an automaton based model due to van Leeuwen, and recently studied by Bishop and Elder.…
math.GR2025
On epiC groups over language class C
Raad Al Kohli, Collin Bleak, Luna Elliott
We introduce a new framework linking group theory and formal language theory which generalizes a number of ways these topics have been linked in the past. For a language class C in…