Super-expanders

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• Alexandros Eskenazis (University of Cambridge)
• Friday 05 March 2021, 13:45-14:45
• Zoom https://maths-cam-ac-uk.zoom.us/j/95208706709.

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I shall survey certain results and open problems on nonlinear spectral gaps and super-expanders. Time permitting, I will also discuss recent partial progress (from joint work with P. Ivanisvili) on a closely related question in Discrete Harmonic Analysis.

This talk is part of the Geometric Group Theory (GGT) Seminar series.

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