Divisors of Semigroups of Order-Preserving mappings on a Finite Chain. - Peter M. Higgins (Int. J. Algebra Comput., 1995)

A Proof on Simon's Theorem on Piecewise Testable Languages. - Peter M. Higgins (Theor. Comput. Sci., 1997)

Microwave test mismatch and power de-embedding. - Peter M. Higgins; Jim Lampos (ITC, 2000)

A New Proof of Schutzenberger's Theorem. - Peter M. Higgins (Int. J. Algebra Comput., 2000)

The Gap Between Partial and Full: an Addendum. - Jorge Almeida 001; Peter M. Higgins; Mikhail V. Volkov 001 (Int. J. Algebra Comput., 2001)

Unavoidable Sets of Words of Uniform Length. - Christopher J. Saker; Peter M. Higgins (Inf. Comput., 2002)

The Pseudovariety Generated by All Semigroups of Orientation-Preserving Transformations on a Finite Cycle. - Paula Maria Machado Cruz Catarino; Peter M. Higgins (Int. J. Algebra Comput., 2002)

The Semigroup of Conjugates of a Word. - Peter M. Higgins (Int. J. Algebra Comput., 2006)

Unavoidable sets. - Peter M. Higgins; Christopher J. Saker (Theor. Comput. Sci., 2006)

The Length of Short Words in Unavoidable Sets. - Peter M. Higgins (Int. J. Algebra Comput., 2011)

Burrows-Wheeler transformations and de Bruijn words. - Peter M. Higgins (Theor. Comput. Sci., 2012)

Languages that Require Full Scanning of Words to Determine Membership. - Peter M. Higgins; Suhear Alwan (J. Autom. Lang. Comb., 2013)

Languages with membership determined by single letter factors. - Peter M. Higgins; Suhear Alwan (Theor. Comput. Sci., 2017)