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The MPIM Weekly Program

Alternatively, look at the MPI calendar or the Bonn Mathematics Calendar, a complete list of all mathematical events in Bonn.

Mon, 07 Sep 2026

09:00 - 12:30
MPIM Lecture Hall
Conference on "New Perspectives on Stable Homotopy and Beyond"
09:00 - 10:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Registration
10:00 - 11:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Emily Riehl (Johns Hopkins University)
Recent highlights in computer formalized mathematics beyond Lean
11:00 - 11:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Tea Room
Coffee break
11:30 - 12:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Jordan Williamson (Charles University)
Duality in tt-geometry via proxy-smallness
12:40 - 13:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Ningchuan Zhang (MPIM Bonn)
On the rationalization of $\mathrm{K}(n)$-local determinant sphere
13:00 - 15:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
Lunch break
15:00 - 15:20
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Doron Grossman-Naples (University of Illinois, Urbana-Champaign)
Isogenies and Hecke Operators on Elliptic Cohomology
15:30 - 15:50
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Akashdwip Biswas (Indian Statistical Institute)
Higher Real K-theory cohomology of Complex Projective spaces
16:00 - 16:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Tea Room
Coffee break
16:30 - 17:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Gong show

Tue, 08 Sep 2026

10:00 - 11:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Stefan Schwede (University of Bonn)
Equivariant K-theory as a global localization
11:00 - 11:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Tea Room
Coffee break
11:30 - 12:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Mario Carneiro (Chalmers University of Technology)
What Is Your Proof Assistant Actually Checking?
12:40 - 13:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Noah Wisdom (Northwestern University)
Equivariant formal group laws and p-typicality
13:00 - 13:10
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Group Photo
13:10 - 15:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Lunch break
15:00 - 15:20
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Phil Pützstück (University of Münster)
Reflexivity and Condensed Anderson Duality
15:30 - 15:50
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Rudradip Biswas (University of Warwick)
Completions of triangulated categories without models
16:00 - 16:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Tea Room
Coffee break
16:30 - 17:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Natàlia Castellana (Universitat Autònoma de Barcelona)
Local Bousfield classes
19:00 - 21:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
Dinner with subsequent discussion round

Wed, 09 Sep 2026

10:00 - 11:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
John Greenlees (University of Warwick)
Rational G-spectra with Weyl-finite isotropy
11:00 - 11:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Tea Room
Coffee break
11:30 - 12:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Maria Ines de Frutos-Fernandez (University of Bonn)
The Carleson project: a collaborative formalization
14:00 - 17:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
Voluntary group hike (details tba)
14:30 - 15:30
Number theory lunch seminar
MPIM Lecture Hall
Yijie Diao (ISTA)
[Number theory talk] On the average of class numbers of real quadratic fields

Thu, 10 Sep 2026

10:00 - 11:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Fernando Muro (University of Seville)
Geometry of singularities and homotopy theory
11:00 - 11:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Tea Room
Coffee break
11:30 - 12:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Clover May (University of Bristol)
Parametrized cohomology of the classifying space for $\mathbb{Z}/2$-line bundles
12:40 - 13:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Preston Cranford (Northwestern University)
Bökstedt periodicity and the even filtration
13:00 - 15:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
Lunch break
15:00 - 15:20
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Qi Zhu (MPIM Bonn)
Structured Real Orientations
15:30 - 15:50
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Abhinandan Das (Indian Statistical Institute, Kolkata)
Equivariant Twisted R-algebras via Thom Spectra
16:00 - 16:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Tea Room
Coffee break
16:30 - 17:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Lennart Meier (Utrecht University)
From cubical structures to the string orientation

Fri, 11 Sep 2026

10:00 - 11:00
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Birgit Richter (Universität Hamburg)
Galois and separable extensions of Tambara functors
11:00 - 11:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Tea Room
Coffee break
11:30 - 12:30
Conference on "New Perspectives on Stable Homotopy and Beyond"
MPIM Lecture Hall
Paul Goerss (Northwestern University)
Chromatic Homotopy Theory: Why do we keep talking about it?

Mon, 14 Sep 2026

14:00 - 15:00
MPIM Topology Seminar
MPIM Lecture Hall
Ezra Getzler (Northwestern University)
Homological perturbation theory for cyclic L-infinity algebras

Tue, 15 Sep 2026

15:00 - 16:00
Serre 100 - Honoring Jean-Pierre Serre
MPIM Lecture Hall
Peter Scholze (MPIM)
tba
16:30 - 18:00
Serre 100 - Honoring Jean-Pierre Serre
MPIM Lecture Hall
T. Barthel, P. Scholze, C. Stroppel, F. van Doorn
Panel discussion - "Math and AI"

Thu, 17 Sep 2026

10:30 - 12:00
Algebraic Geometry talk
MPIM Seminar Room
Tasuki Kinjo (RIMS, Kyoto)
Langlands duality for 3-manifolds and Donaldson–Thomas theory
15:00 - 16:00
MPI-Oberseminar
MPIM Lecture Hall
Anna Romanov (UNSW Sydney/MPIM)
A categorical approach to real Lie groups

To view the abstracts please click on the titles.

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