Prof. Emo Welzl and Prof. Bernd Gärtner
|Mittagsseminar Talk Information|
Date and Time: Thursday, October 19, 2017, 12:15 pm
Duration: 30 minutes
Location: OAT S15/S16/S17
Speaker: Igor Balla
A set of lines through the origin is called equiangular if every pair of lines defines the same angle, and the maximum size of an equiangular set of lines in Euclidean space was studied extensively for the last 70 years. In this talk, we consider analogous questions for k-dimensional subspaces. We discuss natural ways of defining the angle between k-dimensional subspaces and correspondingly study the maximum size of an equiangular set of k-dimensional subspaces in R^d. Our bounds extend and improve a result of Blokhuis.
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