Talks

John Hartigan's contributions to clustering
Workshop on Innovation and Inventiveness in Statistics Methodologies, in honor of John Hartigan, Yale , May 14--17, 2009
PPT   PDF.

Generalized single linkage clustering
Joint Statistical Meetings, Seattle, August 3--10, 2006
PPT   PDF

Estimating the cluster tree of a density
Joint Annual Meeting of the Interface and the Classification Society of North America, St. Louis, Missouri, June 8--12, 2005.
PPT   PDF

Estimation/approximation problems in 3D photography
IPAM MGA Workshop III: Multiscale structures in the analysis of high-dimensional data, October 25--29, 2004.
PPT   PDF

Spline smoothing on surfaces
Workshop on Regularization in Statistics, Banff, September 6--11, 2003.
PPT   PDF

What are the effects of "Bagging"? Some empirical and theoretical results
UW Statistics seminar, 2002
PPT   PDF

Statistics and information technology  (2002)
NSF Workshop on "Statistics for  the 21st Century"
PPT   PDF

Mathematical aspects of 3D photography
GAMM 2001 Annual Meeting, Zurich, February 12--15, 2001
PPT   PDF

Modeling problems in 3D photography
ETH seminar, 1998
PPT   PDF