UC Berkeley

Commutative Algebra and Algebraic Geometry Seminar

April 12, 2016

939 Evans Hall

3:45PM: Nearest Points on Toric Varieties

Bernd Sturmfels

We determine the Euclidean distance degree of a projective toric variety. This extends the formula of Matsui and Takeuchi for the degree of the A-discriminant in terms of Euler obstructions. Our primary goal is the development of reliable algorithmic tools for computing the points on a real toric variety that are closest to a given data point. This is joint work with Martin Helmer.

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