All talks & seminars
‘Certain properties of subsemigroups of free groups’
Seminar: University of St Andrews, 13th August 2003.
‘Automatic semigroups & Malcev presentations I’
Informal seminar: Friday Group, University of St Andrews, 26th March 2004.
‘Automatic semigroups & Malcev presentations II’
Informal seminar: Friday Group, University of St Andrews, 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.
‘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.
‘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.
‘Automatic presentations for semigroups’
Conference talk: 2008 British Mathematical Colloquium, University of York, 27th March 2008.
‘Automaton semigroups’
Seminar: Pure Mathematics Colloquium, University of St Andrews, 29th May 2008.
‘Automatic semigroups’
Short course: Centro de Álgebra da Universidade de Lisboa, 22nd–29th October 2008.
‘Malcev presentations for subsemigroups of groups’
Seminar: Centro de Álgebra da Universidade de Lisboa, 31st October 2008.
‘Automaton semigroups’
Invited conference talk: North Britain Semigroups and Applications Network, University of St Andrews, 16th April 2009.
‘Automatic presentations and semigroups’
Seminar: Centro de Matemática da Universidade do Porto, 25th September 2009.
‘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.
‘Hyperbolic and word-hyperbolic semigroups’
Invited conference talk: North Britain Semigroups and Applications Network, University of St Andrews, 19th May 2010.
‘Unary FA-presentable algebraic and relational structures’
Seminar: Centro de Matemática da Universidade do Porto, 15th February 2012.
‘Hyperbolicity for semigroups’
Invited seminar: Centro de Álgebra da Universidade de Lisboa, 11th May 2012.
