PSU Mark
Eberly College of Science Mathematics Department

Meeting Details

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Title:Security and insecurity in Riemannian manifolds
Seminar:Center for Dynamics and Geometry Seminars
Speaker:Keith Burns (Northwestern)
Two points in a Riemannian manifold form a secure configuration if all geodesics between them can be blocked by a finite number of points; otherwise they are insecure. I will survey the few known results. In particular for compact manifolds with no conjugate points there is an alternative: either the manifold is flat and all configurations are secure or the manifold is not flat and all configurations are insecure.

Room Reservation Information

Room Number:MB106
Date:11 / 12 / 2007
Time:03:35pm - 05:40pm