54:24duration 54 minutes 24 seconds

CAM Colloquium, 2015-01-23 - Alex Townsend: Fast…

CAM Colloquium, 2015-01-23 - Alex Townsend: Fast Algorithms Based on Asymptotic Expansions of Special Functions

01:02:01duration 1 hour 2 minutes

CAM Colloquium 2017-03-24 - Alex Townsend:…

CAM Colloquium 2017-03-24 - Alex Townsend: "Why are so many matrices of low rank in computational math?"

Abstract: Matrices that appear in computational mathematics are so often of low rank. Since random ("average") matrices are almost surely of full rank, mathematics needs to explain…