Slides and videos of some talks
Witt vectors, lambda-rings, and arithmetic jet spaces, University of Copenhagen, 2016.
Geometry and Lie Theory: A Conference Marking Gus Lehrer's 60th Birthday, ANU and Sydney U, July 2007
Fourth Pacific Rim Conference on Mathematics, special session on algebraic geometry, City University of Hong Kong, December 2007
Frobenius Lifts, 2009 October 5-9, Leiden, The Netherlands.
Mathematics and Physics on the Borderline between Algebraic and Differential Geometry, ANU, July 2010.
Witt vectors, foliations, and absolute de Rham cohomology, 2010 November 22-26, Nagoya, Japan.
Witt vectors in arithmetic, geometry, and topology, University of New Mexico, Albuquerque, USA 14--18 May 2012
Arithmetic and Algebraic Differentiation: Witt vectors, number theory and differential algebra In honor of Alexandru Buium , UC Berkeley, USA 6--10 May 2015
Geometry at the ANU , ANU, Canberra, Australia 22--26 August 2016
Local conferences organized:
Australian Mathematical Society, 50th Annual Meeting, number theory special session, September 2006
The Morgan--Phoa Mathematics Workshop, ANU, November 2006
The Third Morgan--Phoa Mathematics Workshop, ANU, January 2010
ANU/Macquarie Category Theory Workshop, ANU, January 2013
Algebraic geometry and related fields, ANU, May 2013
Proof, Miramax Films. Trailer (at 0:58) IMDb