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What is … an Ehrhard Polynomial?

This page hosts information on Hannes Pollehn's talk "What is … an Ehrhard Polynomial?" at the "What is …?" seminar. The talk will take place on Friday, October 31 , 1:00pm at the BMS Loft at Urania. This talk will help you better understand the talk by Martin Henk, which will start at 2pm.

Abstract

A lattice polygon is a shape in the plane bounded by a sequence of line segments \overline{v_1 v_2},\ldots,\overline{v_{k-1} v_k}, where the vertices v_i have integral coordinates. Georg Alexander Pick described a relation between the area of the polygon and the number of lattice points contained in the polygon by a formula which is now known as Pick's Theorem. Ehrhart later generalized this result to higher dimensions, which is now an important tool in the field of Geometry of Numbers.

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Topic revision: r1 - 29 Oct 2014, tsuruga - This page was cached on 04 Mar 2025 - 20:56.

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