20 Jan 2022

Zoom: register here: https://www.ntwebseminar.org/

Gastvorlesung / Vortrag

Number Theory Web Seminar: Jozsef Solymosi (University of British Columbia)

Rank of matrices with entries from a multiplicative group

We establish lower bounds on the rank of matrices in which all but the diagonal entries lie in a multiplicative group of small rank. Applying these bounds we show that the distance sets of finite pointsets in ℝ^d generate high rank multiplicative groups and that multiplicative groups of small rank cannot contain large sumsets. (Joint work with Noga Alon)

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