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# Analysis Seminar – Simon Bortz (University of Alabama)

## November 20, 2020 @ 3:00 pm - 4:00 pm

Simon Bortz is going to talk about the ideas in a recent paper which can be found at https://arxiv.org/abs/2008.11544. Roughly speaking, the talk will be about how a quantitative __approximatio__n scheme, in fact, gives a form of quantitative __coincidence__. The main theorem has some nice applications (e.g. transference of boundedness of singular integrals and `geometric lemmas’). The setting is very general and the proof is ‘simple’… provided we trust a few pictures!