The following two lectures given recently by Prof. Beno Eckmann are now available via streaming video at http://www.pims.math.ca/video.
Beno Eckmann, ETH Zuerich
Projections, Group Algebras, and Geometry of Groups
Algebra-Topology Seminar, PIMS-UBC, September 14, 2000
Beno Eckmann, ETH Zuerich
The Euler Characteristic - Some Variations and Ramifications
PIMS Colloquium, PIMS-UBC, September 13, 2000
There are many lectures available at http://www.pims.math.ca/video.
Last updated 25 October, 2004