A Fast Algorithm for Stallings' Folding Process. - Nicholas W. M. Touikan (Int. J. Algebra Comput., 2006)

The Solvability Problem for Quadratic Equations over Free Groups is NP-Complete. - Olga Kharlampovich; I. G. Lysënok; Alexei G. Myasnikov; Nicholas W. M. Touikan (Theory Comput. Syst., 2010)

Multipass automata and group word problems. - Tullio Ceccherini-Silberstein; Michel Coornaert; Francesca Fiorenzi; Paul E. Schupp; Nicholas W. M. Touikan (Theor. Comput. Sci., 2015)

A fast algorithm for Stallings foldings over virtually free groups. - Samuel Cookson; Nicholas W. M. Touikan (Int. J. Algebra Comput., 2024)