All talks & seminars
- ‘Certain properties of subsemigroups of free groups’
- Seminar: University of St Andrews, 13th August 2003.
- ‘Automatic semigroups & Malcev presentations I, II’
- Informal seminars: Friday Group, University of St Andrews, 26th March, 7th May 2004.
- ‘Malcev presentations’
- Seminar: University of St Andrews, 17th June 2004.
- ‘Malcev presentations’
- Conference talk: Postgraduate Pure Mathematics in the North East 2004, University of Newcastle, 28th June 2004.
- ‘Malcev presentations for subsemigroups of groups’
- Invited seminar: University of Glasgow, 13th October 2004.
- ‘A survey of Malcev presentations for subsemigroups of groups’
- Conference talk: Groups St Andrews 2005, University of St Andrews, 31st July 2005.
[ Slides (Gzipped PDF) | Article in proceedings ] - ‘Decidability and undecidability for automatic semigroups’
- Invited seminar: University of Edinburgh & Heriot–Watt University (Joint), 15th November 2005.
- ‘An introduction to decidability for automatic semigroups’
- Short course: University of St Andrews, 28th November–12th December 2005.
- ‘Cancellative and Malcev presentations for subsemigroups and extensions’
- Conference talk: Semigroup Day ’06, Heriot–Watt University, 5th July 2006.
- ‘Decidability for automatic semigroups’
- Conference talk: International Workshop on Computational and Algorithmic Aspects of Semigroup Theory, University of St Andrews, 6th September 2006.
[ Slides (Gzipped PDF) ] - ‘Automatic presentations for cancellative semigroups’
- Conference talk: 2nd International Conference on Language and Automata Theory and Applications, Universitat Rovira i Virgili, Tarragona, Spain, 18th March 2008.
[ Slides (Gzipped PDF) | Article in proceedings ] - ‘Automatic presentations for semigroups’
- Conference talk: 2008 British Mathematical Colloquium, University of York, 27th March 2008.
[ Slides (Gzipped PDF) ] - ‘Automaton semigroups’
- Seminar: Pure Mathematics Colloquium, University of St Andrews, 29th May 2008.
[ Slides (Gzipped PDF) ] - ‘Automatic semigroups’
- Short course: Centro de Álgebra da Universidade de Lisboa, 22nd–29th October 2008.
[ Slides (Gzipped PDF) ] - ‘Malcev presentations for subsemigroups of groups’
- Seminar: Centro de Álgebra da Universidade de Lisboa, 31st October 2008.
[ Slides (Gzipped PDF) ] - ‘Automaton semigroups’
- Invited conference talk: North Britain Semigroups and Applications Network, University of St Andrews, 16th April 2009.
[ Slides (Gzipped PDF) ] - ‘Automatic presentations and semigroups’
- Seminar: Centro de Matemática da Universidade do Porto, 25th September 2009.
[ Slides (Gzipped PDF) ] - ‘Malcev presentations for subsemigroups of groups’
- Seminar: Centro de Matemática da Universidade do Porto, 30th October 2009.
- ‘Computing with automatic semigroups’
- Conference talk: Centro de Matemática da Universidade do Porto, 15th June 2010.
- ‘Automatic presentations and semigroups’
- Invited seminar: Centro de Álgebra da Universidade de Lisboa, 10th September 2010.
[ Slides (Gzipped PDF) ] - ‘Hyperbolic and word-hyperbolic semigroups’
- Invited conference talk: North Britain Semigroups and Applications Network, University of St Andrews, 19th May 2011.
[ Slides (Gzipped PDF) ]
