Colloquium Announcement: “Geometry of Spaces of Polygons and Curves”

Friday April 6, 2018 3:15 p.m. Yost, 306


Speaker: Professor Tom Needham, Ohio State University

Title: Geometry of Spaces of Polygons and Curves

Abstract: In this talk we will describe several applications in shape analysis involving moduli spaces of curves. These include finite-dimensional configuration spaces of polygons and infinite-dimensional spaces of smooth curves. The techniques presented can be used to answer questions such as “what is the probability that a random triangle is obtuse?” and “what is the correct (parameterization-invariant) notion of the distance between a pair of plane curves?”. The common theme is to treat the questions geometrically using natural Riemannian metrics on the moduli spaces.

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