Notes and slides
- Notes on braid groups
- Graduate seminar, Warwick, Spring 1998.
- The bits between the bits
- Error-correcting codes, sphere packings, lattices and sporadic
simple groups.
- Graduate seminar, Warwick, 27 November 1998.
- Cutting and pasting
- Surgery on 3-manifolds.
- Graduate seminar, Warwick, 23 June 2000.
- Twist-spun knots
- Twist-spun knots, quandle cohomology and cocycle state-sum
invariants (qv arXiv:math.GT/9903135).
- Graduate seminar, Warwick, 26 June 2001.
- Homological algebra for the MTV generation
- A five-minute precis of my PhD research.
- Graduate seminar, Warwick, 1 November 2001.
- Cohomology of racks and quandles
(or 'You say you want a resolution')
- Splinter group talk, 54th
British Mathematical Colloquium, Warwick, 9 April 2002.
- What I did on my holidays (or 'A
cautionary tale for graduate students')
- Graduand seminar, Warwick, 13 July 2004.
- Homology of racks and quandles
- Algebra seminar, Warwick, 20 January 2006.
- The Mathematics of Knots
- Talk, Orbital 2008
(Eastercon 2008), Radisson Non-Euclidean, Heathrow, 24 March 2008
- The Poincaré Conjecture
- Talk, LX 2009 (Eastercon 2009),
Cedar Court Hotel, Bradford, 10 April 2009
- The Geometry Of The Place Was All
Wrong
- Talk, Odyssey 2010
(Eastercon 2010), Radisson Non-Euclidean, Heathrow, 3 April 2010
- Colloquium, Culham Centre for
Fusion Energy, Abingdon, Oxfordshire, 30 June 2010
- The Bits Between The Bits
- Talk, Illustrious 2011
(Eastercon 2011), Hilton Metropole, Birmingham, 24 April 2011
- Unsolvable Problems in Mathematics
- Talk, Olympus 2012
(Eastercon 2012), Radisson Non-Euclidean, Heathrow, 7 April 2012
- Pure and Applied Mathematics
- Talk, EightSquaredCon 2013
(Eastercon 2013), Cedar Court Hotel, Bradford, 1 April 2013
- The Millennium Prize Problems
- Panel discussion, EightSquaredCon 2013
(Eastercon 2013), Cedar Court Hotel, Bradford, 1 April 2013
- (With Susan
Stepney and Michael Abbott)
- Categorification and TQFTs
- Talk, Warwick Mathematics
Society, 19 November 2013
- Networks and Small Worlds
- Talk, Satellite 4
(Eastercon 2014), Crowne Plaza Hotel, Glasgow, 21 April 2014