## Upcoming conferences & activities

- Hausdorff School on Log-correlated Fields (Wed, 13 Jun 2018)
- Conference "Dynamics: Topology and Numbers", July 2 - 6, 2018 (Mon, 02 Jul 2018 - Fri, 06 Jul 2018)
- Conference "Higher algebra and mathematical physics", August 13 - 17, 2018 (Mon, 13 Aug 2018 - Fri, 17 Aug 2018)
- Conference on "Elementare und Analytische Zahlentheorie (ELAZ)", September 3 - 7, 2018 (Mon, 03 Sep 2018 - Fri, 07 Sep 2018)

## New Horizons in Mathematics Prize for Maryna Viazovska

**Marina Viazovska**is a recipient of one of the New Horizons in Mathematics Prizes 2018 "for the remarkable application of the theory of modular forms to the sphere packing problem in special dimensions." Maryna was a doctoral student of Don Zagier in the MPIM graduate school from 2008-2012. She obtained her PhD from the University of Bonn in 2013.

## Maryna Viazovska Awarded 2017 Ramanujan Prize

Maryna Viazovska, who conducted her doctoral research at the Max Planck Institute for Mathematics from 2008-2012 under the guidance of Don Zagier, was awarded the Ramanujan Prize for 2017. Professor Viazovska is honored “for her stunning solution in dimension 8 of the celebrated sphere packing problem, and for her equally impressive joint work with Henry Cohn, Abhinav Kumar, Stephen D. Miller and Danylo Radchenko resolving the sphere packing problem in dimension 24, by building upon her fundamental ideas in dimension 8.” The prize also recognizes her outstanding PhD thesis of 2013 at the University of Bonn in which she resolved significant cases of the Gross-Zagier Conjecture and her work prior to her PhD with A. Bodarenko and D. Radchenko resolving a long-standing conjecture of Korevaar and Meyers on spherical designs, that appeared in the Annals of Mathematics in 2013. The prize notes that the modular forms techniques developed by Viazovska will have a significant future impact in discrete geometry, analytic number theory, and harmonic analysis. It was awarded on December 22 (Ramanujan's birthday), 2017 at the International Conference on Number Theory at SASTRA University in Kumbakonam, India, Ramanujan’s hometown.

## MPIM Postdocs to Receive Prestigeous Award in Chinese Thousand Talents Program

**Di Yang** (MPIM visitor from 09/2016 - 08/2018) and **Xuanyu Pan** (MPIM visitor from 10/2016 - 09/2017) were each awarded one of the coveted and highly competitive awards from the Thousand Talents Program of the Chinese government. The award consists of a faculty position and funding up to 3 million RMB usually complemented by additional funds from the host university. Di Yang will be based at the University of Science and Technology of China in Hefei. Xuanyu Pan will be based at the Chinese Academy of Sciences in Beijing.

## International Congress of Mathematicians 2018: Many Invited Speakers with Ties to MPIM

A number of mathematicians who have held positions, were long-term visitors, or PhD students at the Max Planck Institute for Mathematics are invited to present their work at the next International Congress of Mathematicians (ICM), which will take place in 2018 in Rio de Janeiro. Most notably, **Geordie Williamson**, who has been Advanced Researcher at MPIM from 2011-2016, is invited as plenary speaker. Further invited speakers with ties to MPIM include:

## "Descartes, Euler, Gauss: From surfaces to integers". Hirzebruch lecture by Werner Ballmann on Monday, November 13, University Club Bonn

Geometric quantities of a surface, like distance, angle, or area, change when the surface is deformed. Euler discovered a quantity, the Euler characteristic, which remains unchanged. The formula of Gauss-Bonnet, a landmark result of mathematics, relates Euler characteristic with geometry. In the talk, I will present ideas of Descartes, Euler, and Gauss related to this formula.

## "Coarse Geometry". Hirzebruch colloquium talk by Walter Neumann

Coarse geometry can lead to useful classifications. For example, the word metric on a finitely presented group recognises (up to finite groups) if that group is the fundamental group of a 3-manifold and it carries a lot of information about the manifold. I will mainly talk about coarse geometry for complex surfaces, showing that bilipschitz geometry, which is purely topological and ignores any analytic structure, can recover the local analytic structure up to Zariski equisingularity. (Joint work with Anne Pichon).

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