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From amoebas to arithmetics

July 7, 2023 at 15:3016:30 CEST

TGiF-Seminar: Tropical geometry in Frankfurt (Second meeting Summer Semester 2023)

Roberto Gualdi (Regensburg)

Abstract:

Motivated by the computation of the integral of a piecewise linear func- tion on the amoeba of the line (x1 + x2 + 1 = 0), we will show how tropical objects play a role in arithmetics.

This will bring us to an excursion into the Arakelov geometry of toric varieties; in this framework, we will use our tropical computation to predict the arithmetic complexity of the intersection of a projective planar line with its translate by a torsion point. This is a joint work with Martín Sombra.

 

Details

Date:
July 7, 2023
Time:
15:30 – 16:30 CEST
Website:
https://www.uni-frankfurt.de/115627094/Lehre#a_79e0c850-94d78d12

Venue

Frankfurt, RM-Str. 6-8, Hilbertraum 302 and Zoom

Organizers

Martin Ulirsch
Andreas Gross