28 aug 2017 - 1 sep 2017
Freie Universität, Berlin
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MOTIVES FOR PERIODS
August 28 — September 1, 2017, Freie Universität, Berlin.
Periods are complex numbers obtained by integrating algebraic differential forms over algebraically-defined domains. From the modern point of view, they appear as coefficients of the comparison isomorphism between de Rham and Betti cohomology of varieties over number fields. This is how motives enter the game.
The aim of this summer school is to introduce students to the applications of different categories of motives to concrete questions on periods. The possibility of giving non-conjectural constructions of the motivic Galois group has opened the way to major new results, including a proof of Hoffman's conjecture on multiple zeta values by F. Brown, and a proof of a geometric analogue of the Kontsevich-Zagier conjecture by J. Ayoub. There will be three mini-courses
1) "Triangulated categories of motives and the Kontsevich-Zagier conjecture" by J. Ayoub.
2) "Mixed Tate motives and multiple zeta values" by C. Dupont
3) "Exponential motives and exponential periods " by P. Jossen
plus additional research talks by I. Dan Cohen, M. Gallauger, B. Morin, E. Panzer, S. Ünver.
More informations can be found on the website
https://people.math.ethz.ch/~jfresan/berlin.html.
To register, send an e-mail to motivesberlin (AT) gmail.com
The organizers
G. Ancona, J. Fresán, S. Pepin Lehalleur
Scientific committee
J. I. Burgos Gil, F. Charles, H. Esnault