1. Geometry of filtered structures on manifolds: Tanaka's prolongation and beyond (a beamer presentation). , a talk on ``The 2012 Spring Texas Geometry and Topology Conference'', University of Houston, February 17 - 19, 2012 February 17 - 19, 2012

2. On geometry and symmertries of nonholonomic distributions and curves of flags (slides) , a talk on the Conference "Differential Geometry and Tanaka Theory: Differential System and Hypersurface Theory I (dedicated to 60th birthday of Professors K. Yamaguchi and R. Miyaoka), RIMS, Kyoto, Japan, January 24-28, 2011

3. On symmertries of symplectically flat distributions (slides), a talk on the Conference "Differential Geometry and Tanaka Theory: Differential System and Hypersurface Theory II (dedicated to 60th birthday of Professors K. Yamaguchi and R. Miyaoka), Hiroshima University, Hiroshima, Japan, January 29-31, 2011