Monthly Archives: January 2023

Notes on Alexandros Eskenazis Rennes lectures january 26th 2023

Posted on January 27, 2023 by metric2011

When does embed into ? The question goes back to Banach. This will be an excuse to review some modern tools. Banach space theory has evolved into metric geometry. The leitmotiv will be: how does one prove non-embeddability? 1. Linear … Continue reading →

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Notes of Maryna Viazovska’s Orsay lecture, january 2023

Posted on January 16, 2023 by metric2011

Sphere packings This lecture has been designed for an audience of 150 master’s students in Orsay, Universite Paris-Saclay. 1. The sphere packing problem 1.1. Density In Euclidean space, one tries to pack equal balls as densely as possible. Pack means … Continue reading →

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