Keith Ball- Restricted Invertibility

Keith Ball- Restricted Invertibility

Explore the Kadison-Singer problem and delve into Bourgain and Tzafriri's elegant argument in this lecture. Learn about the Anderson formulation, Hall's marriage theorem, Horn's theorem, and various selection theorems. Discover sharp boundaries, partition selection, and the Source lemma. Examine orthogonal vectors, Groton League's Inequality, and the Garrison Singer Theorem. Gain insights into restricted invertibility and its implications in mathematics.