On groups and counter automata
- Creator: Elder, Murray , Kambites, Mark , Ostheimer, Gretchen
- Resource Type: journal article
- Date: 2008
G-automata, counter languages and the Chomsky hierarchy
- Creator: Elder, Murray
- Resource Type: conference paper
- Date: 2007
A context-free and a 1-counter geodesic language for a Baumslag-Solitar group
- Creator: Elder, Murray
- Resource Type: journal article
- Date: 2005