Guyan Robertson's talks in pdf format.
"Arithmetic Geometry and Noncommutative Geometry", Masterclass, Utrecht, 1-5 March, 2010.
Higher Rank Cuntz-Krieger Algebras.
Prospects in Mathematics, Symposium, Durham, 14-17 December 2006.
Conference on Operator Algebras (in honour of Professor Chris Lance), Leeds, 21-23 September 2006.
Rapid Decay for Free Groups and Higher Rank Analogues.
Edinburgh Mathematical Society, 28 April 2006.
Trees, buildings and boundaries.
Nichtkommutative Geometrie, Oberwolfach, September 2004.
C*-algebras associated with boundary actions on buildings and their K-theory.
Frontiers in Mathematics
Lectures, Texas A&M
February 17-21, 2003.
Distances in Hyperbolic Spaces and Negative Definite Kernels.
Groups acting on affine buildings their boundaries.
Operator algebras, boundaries of buildings and K-theory.
Conference on Harmonic Analysis, Luxembourg, September 9-12, 2002.
Singular masas of von Neumann algebras: examples from the geometry of
spaces of nonpositive curvature.
Other seminar talks.
Building centralisers in A2tilde groups.
Boundary C*-algebras for acylindrical groups.
Free Groups, Products of Trees and Arithmetic of Quaternions.