Slide shows
- Slides for talk given in Edinburgh, December 2009
``From totally nonnegative matrices to quantum
matrices and back, via Poisson geometry''
Click here
for .pdf file
- Slides for the London Taught Course Centre Intensive Course
``From quantum algebras to total non-negativity'' given in Canterbury,
jointly with
Stephane Launois, 28/29 May 2009.
Click here
for .pdf file
- Slides for talk given in Edinburgh, November 2004
``Noncommutative unique factorisation rings''
Click here
for .pdf file