Seminars
Invited
- ‘Malcev presentations for subsemigroups of groups’
- Invited seminar: University of Glasgow, 13th October 2004.
- ‘Decidability and undecidability for automatic semigroups’
- Invited seminar: University of Edinburgh & Heriot–Watt University (Joint), 15th November 2005.
- ‘Automatic presentations and semigroups’
- Invited seminar: Centro de Álgebra da Universidade de Lisboa, 10th September 2010.
[ Slides (Gzipped PDF) ]
Other
- ‘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.
- ‘Automaton semigroups’
- Seminar: Pure Mathematics Colloquium, University of St Andrews, 29th May 2008.
[ Slides (Gzipped PDF) ] - ‘Malcev presentations for subsemigroups of groups’
- Seminar: Centro de Álgebra da Universidade de Lisboa, 31st October 2008.
[ 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.
