Conference talks

‘Automaton semigroups’: Invited conference talk: North Britain Semigroups and Applications Network, University of St Andrews, 16th April 2009.
[ 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) ]

‘Malcev presentations’: Conference talk: Postgraduate Pure Mathematics in the North East 2004, University of Newcastle, 28th June 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 ]
‘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) ]
‘Computing with automatic semigroups’: Conference talk: Centro de Matemática da Universidade do Porto, 15th June 2010.