## Kommende Konferenzen und Aktivitäten

- Graduate Research Opportunities for Women at Bonn 2024 (GROW@Bonn 2024) (Don, 04 Apr 2024 - Fre, 05 Apr 2024)
- Conference on "Homology growth in topology and group theory" (Mon, 13 Mai 2024 - Fre, 17 Mai 2024)
- Workshop on "Dualisable Categories & Continuous K-theory" (Mon, 09 Sep 2024 - Fre, 13 Sep 2024)

## Workshop on "Dualisable Categories & Continuous K-theory"

## Workshop on "Dualisable Categories & Continuous K-theory", September 9 - 13, 2024

Algebraic K-theory is an object that sits at the centre of large parts of algebra, geometry, and topology because of its universal role as a receptacle to count other mathematical objects with signs. However, since its invention, a phenomenon often called the Eilenberg swindle - which says that the algebraic K-theory of a category which is too large must necessarily be zero - has been accepted as a fundamental limit to the theory.

## Graduate Research Opportunities for Women at Bonn 2024 (GROW@Bonn 2024)

GROW@Bonn 2024 is for all students of underrepresented gender identities in mathematics, especially female students, who are interested in learning about graduate programmes and further opportunities in research, both within and outside academia. The conference is open to Bachelor and Master students from universities in Germany and neighbouring countries, including international students. It is possible to apply for funding for hotel and/or travel costs in the registration.

Talks and panels will be in English, but many of the mentors/volunteers/organisers will be able to speak in German and possibly other languages.

The conference will feature

- A plenary talk;

- Research talks by faculty and PhD students;

- Panel discussions about graduate research in the mathematical sciences;

- Networking and mentoring opportunities;

- Advice on preparing applications for graduate school (Master and PhD).

All interested students must register beforehand (registration form will follow), regardless of whether you are applying for funding. Confirmed participants will be notified by email.

We are currently looking for local mathematicians who would like to come and chat with our participants at GROW@Bonn 2024. Please register here to volunteer.

In case you have any questions, please contact **conference****$@$mpim-bonn$.$mpg$.$de**.

__Registration__

As of February 14, 2024 the registration is closed.

## Conference on "Homology growth in topology and group theory"

## Conference on "Homology growth in topology and group theory", May 13 - 17, 2024

Homology growth is an umbrella term for a number of invariants associated to a topological space. In their simplest incarnation, they measure

the growth of Betti numbers in finite covers of the space. Over the years, homology growth became a central topic in group theory and

geometric topology. It connects various topological and geometric phenomena, especially in low-dimensional manifolds, with analytically

or combinatorially defined invariants, like L^2-Betti numbers. In particular, homology growth plays a central role in controlling the existence

of fiberings, over the circle in the topological setting, and over the integers in the algebraic one. The motivation and guiding principles come

from the theory of 3-manifolds. Inspired by Agol's resolution of Thurston's Virtual Fibering Conjecture, homology growth and related ideas have been

very recently used both in the algebraic setting of cubulated groups, and in higher dimensional negatively curved manifolds. This conference aims

to bring together people behind these recent developments, provide an overview of the field and help formulate a coherent system of conjectures

to guide us in the years to come.

In case you have any questions, please contact **hogro2024****$@$mpim-bonn$.$mpg$.$de**.

### Registration

Please register here for the conference by March 15, 2024.

## "The Quadratic Formula Revisited". Hirzebruch lecture by Bernd Sturmfels on Thursday, 9 November 2023, University Club Bonn

High school students learn how to express the solution of a quadratic equation in one unknown in terms of its three coefficients. Why does this formula matter? We offer an answer in terms of discriminants and data. This lecture invites the audience to a journey towards non-linear algebra.

## Maryna Viazovska External Member of the Max Planck Institute for Mathematics

Maryna Viazovska, full professor and Chair of Number Theory at the Institute of Mathematics of the École Polytechnique Fédérale de Lausanne, has joined the Max Planck Institute for Mathematics as external scientific member. She was PhD student of Don Zagier from 2008-2012 and obtained her doctoral degree from the University of Bonn. Since then, she has returned to the institute regularly as a visitor and speaker. We are happy that Maryna will now play an even more active role in the research community and the development of the Max Planck Institute for Mathematics.

## Mathematics/Physics/Jazz afternoon at MPIM

An diesem speziellen Nachmittag wollen wir einen Einblick in die Welt der Mathematik geben, mit einer allgemeinverständlichen Vorlesung und ausführlicher Kommunikation mit Mathematikern danach.

To see the detailed program for the afternoon, please click above, and then continue to click on the various events.

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