11-03-2011: 45 minute talk in Chern Centennial Conference, Oct 30, 2011 to Nov 4, 2011, at MSRI
09-08-2011: Oliver Club, Cornell University
05-07-2011: Pacific Northwest Geometry Seminar, May 7-8, 2011, Seattle, WA
04-14-2011, 04-28-2011, 05-25-2011: Informal differential geometry seminar, UCSD
02-14-2011: Differential Geometry Seminar, UC Berkeley
11-05-2010: Complex analysis and geometry seminar, Rutgers University