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.

‘Plactic monoids, rewriting systems and biautomaticity’

Seminar: Centro de Matemática da Universidade do Porto, 26th October 2012.

‘Automatic presentations for algebraic and combinatorial structures’

Invited seminar: Centro de Matemática da Universidade de Coimbra, 20th March 2013.

‘Plactic monoids and rewriting systems’

Invited seminar: Sultan Qaboos University, 23rd April 2013.