Derek Holt

Professor, Mathematics Institute, University of Warwick

The Handbook of Computational Group Theory by myself, Bettina Eick and Eamonn O'Brien, published by Chapman & Hall/CRC, appeared in January 2005.

Click here to read more about it and to order yourself a copy.

Or click here to see a list of errors and misprints that have come to light.

Research Interests

Group Theory
Computational Group Theory
Finitely Presented Groups, Geometric Group Theory
Automatic Groups
Finite Permutation Groups
Finite Matrix Groups, Representation Theory
Cohomology of Finite Groups

Publications

Pdf and dvi files for some of my recent papers and joint papers can be downloaded from here.

Software

The following standalone software can be downloaded:
  • kbmag2 - Version 2 of a recent package for Knuth-Bendix in monoids, and automatic groups.
    This is now also avaialable as a GAP4 package.
  • isom_quotpic (written with S Rees) - a package for isomorphism testing between finitely presented groups, and for plotting parts of the finite quotient lattice (using X-windows) of a finitely presented group.

    • Other Software

  • Cohomology My cohomology package, for calculating Schur multipliers and covering groups of finite groups, and first and second cohomology groups of finite groups on finite modules, is available as a standalone on request.
    However, it is now accessible from both of the systems GAP and Magma, and is probably best accessed from one of them.

    • Other Activities

    I am on the editorial board of the journals:
  • LMS Journal of Computation and Mathematics,
  • Experimental Mathematics,
  • Archiv der Mathematik. 
    Derek Holt, Room B1.27,
Mathematics Institute,
University of Warwick,
Coventry CV4 7AL, UK.

Phone: +44 2476 523480
Fax: +44 2476 524182
Email:  D.F.Holt@warwick.ac.uk