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Title:
Densities of measures, tubular neighborhoods, and heat content in the Heisenberg group

Speaker:
Jeremy Tyson

Abstract:
I will discuss several recent results in geometric measure theory, metric geometry and analysis in the sub-Riemannian Heisenberg group, specifically, Marstrand and Preiss Density Theorems for the Korányi metric, a classification of uniform measures in the first Heisenberg group, and volumes of tubular Carnot-Carathéodory neighborhoods and heat content asymptotics for smoothly bounded domains with noncharacteristic boundary. A unifying theme in these results is the role of the intrinsically sub-Riemannian differential geometry of curves and surfaces in the metric and analytic properties of measures and domains.

Link:
http://scgp.stonybrook.edu/video_portal/video.php?id=4458

Workshop:
Simons- Workshop: Analysis, Dynamics, Geometry and Probability