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Talk

Normal Approximation for Conic Intrinsic Volumes: Steining the Steiner Formula

  • Ivan Nourdin (University of Luxembourg, Luxembourg)
A3 01 (Sophus-Lie room)

Abstract

Intrinsic volumes of convex sets are natural geometric quantities that also play important roles in applications, such as linear inverse problems with convex constraints, and constrained statistical inference. In this talk we will show that, in the high-dimensional limit, most conic intrinsic volumes encountered in applications can be approximated by a suitable Gaussian distribution. Our approach is based on a variety of techniques, including (i) Steiner formulae for closed convex cones, (ii) Stein's method and second order Poincaré inequality, and (ii) concentration of measure estimates. This work is joint with Laryy Goldstein (Southern California) and Giovanni Peccati (Luxembourg).

Katja Heid

MPI for Mathematics in the Sciences Contact via Mail

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