What is… Reciprocity?

This page hosts information on Jan Hofmann's talk "What is … Reciprocity?" at the "What is …?" seminar. This talk will help you better understand the talk by Christian Haase.

Where & When

  • Friday, November 13, 1pm at the BMS Seminar Room MA 212 at TU Berlin

Abstract

  • Pick's theorem allows us to compute the area of any lattice polygon just by counting integer points. We will sketch a proof of Pick's theorem. It is now natural to ask if there are analogues in higher dimensions. This leads to the introduction of the Ehrhart polynomial and Ehrhart reciprocity.

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