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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, 18 May 2026

08:30 - 12:00
MPIM Lecture Hall
Conference on "Interactions between higher algebra, manifolds and functor calculus"
08:30 - 09:30
Conference on "Interactions between higher algebra, manifolds and functor calculus"
Registration
09:30 - 10:30
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Manuel Krannich (Karlsruhe Institute of Technology)
Embedding calculus and applications to manifold theory I
10:30 - 11:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Tea Room
Tea Break
11:00 - 12:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Hyeonhee Jin (MPIM Bonn)
Embedding Calculus, Goodwillie Calculus and Link Invariants
12:00 - 13:45
Conference on "Interactions between higher algebra, manifolds and functor calculus"
Lunch Break
13:45 - 14:45
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Luciana Basualdo Bonatto (University of Oxford)
A modular operad of mapping class groups
15:00 - 16:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Kaif Hilman (University of Bonn)
On Poincare cobordism spectra and multiplicative signature maps
16:00 - 16:30
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Tea Room
Tea Break
16:30 - 17:30
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Julia Semikina (University of Lille)
Scissors congruence K-theory of manifolds and cobordisms

Tue, 19 May 2026

09:30 - 10:30
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Manuel Krannich (Karlsruhe Institute of Technology)
Embedding calculus and applications to manifold theory II
10:30 - 11:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Tea Room
Tea Break
11:00 - 12:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Oscar Randal-Williams (University of Cambridge)
A chromatic approach to homological stability
12:00 - 13:45
Conference on "Interactions between higher algebra, manifolds and functor calculus"
Lunch Break
13:45 - 14:45
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Jonathan Pedersen (University of Toronto)
Tate L-theory and the Kervaire Invariant
14:00 - 16:00
Reading seminar on Quantum Field Theory (QFT)
MPIM Seminar Room
Kyungmin Rho (MPIM)
Yang-Mills theory I
15:00 - 16:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Natalie Stewart (Harvard University)
Additivity and equivariant little disk embeddings
15:05 - 17:05
Oberseminar Arithmetic Geometry and Representation Theory
MPIM Seminar Room
Lambert A'Campo (IHES)
[OS Arithm. Geom. and Reps Th.] Galois representations occurring in the cohomology of locally symmetric spaces
16:00 - 16:30
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Tea Room
Tea Break
16:30 - 17:30
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
John Francis (Northwestern University)
Nonabelian Poincaré duality
16:30 - 17:30
Reading group on spectral geometry
MPIM Conference Room
Ismael Morales (MPIM)
[Reading group on spectral geometry] On the distribution of eigenvalues of the Laplacian on a compact surface
19:00 - 22:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
Dinner with subsequent discussion round

Wed, 20 May 2026

09:30 - 10:30
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Oliver Wang (University of Virginia)
Group actions on exotic spheres
10:30 - 11:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Tea Room
Tea Break
11:00 - 12:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Florian Naef (Trinity College Dublin)
Strong Frobenius Algebra Models for Disk-Presheaves
14:00 - 15:45
Course on Metric and approximability for triangulated categories
MPIM Seminar Room
Kabeer Rahul (MPIM)
Course on Metric and approximability for triangulated categories
14:30 - 15:30
Number theory lunch seminar
MPIM Lecture Hall
Wadim Zudilin (Radboud University Nimwegen/MPIM)
[NT seminar] A Selberg-type integral from an irrational question
16:30 - 18:00
PLeaSANT
MPIM Lecture Hall
Jessica Alessandrì (MPIM)
A local-global principle for divisibility of points

Thu, 21 May 2026

09:30 - 10:30
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Manuel Krannich (Karlsruhe Institute of Technology)
Embedding calculus and applications to manifold theory III
10:30 - 11:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Tea Room
Tea Break
10:30 - 11:30
Seminar Algebraic Geometry (SAG)
MPIM Seminar Room
Niklas Müller (Lausanne)
[SAG] Inequalities of Miyaoka-type and Uniformisation of Minimal Varieties of Intermediate Kodaira Dimension
11:00 - 12:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Gregory Arone (Stockholm University)
Symmetric powers and the Braid group
12:00 - 13:45
Conference on "Interactions between higher algebra, manifolds and functor calculus"
Lunch Break
13:30 - 15:00
Oberseminar Differentialgeometrie
MPIM Seminar Room
Gilles Courtois (CNRS, University of Sorbonne)
[Oberseminar Differentialgeometrie] Limit sets of divergent sequences of Schottky groups
13:45 - 14:45
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Fadi Mezher (Karlsruhe Institute of Technology)
Configuration spaces and exotic spheres
15:00 - 16:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Alexander Kupers (University of Toronto Scarborough)
A rational pullback decomposition for homeomorphism groups

Fri, 22 May 2026

09:30 - 10:30
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Manuel Krannich (Karlsruhe Institute of Technology)
Embedding calculus and applications to manifold theory IV
10:00 - 12:00
Seminar "Multicurve invariants in Khovanov homology"
MPIM Seminar Room
N.N. (MPIM)
tba
10:30 - 11:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Tea Room
Tea Break
11:00 - 12:00
Conference on "Interactions between higher algebra, manifolds and functor calculus"
MPIM Lecture Hall
Samuel Muñoz-Echániz (MIT)
On spaces of long knots
14:00 - 16:00
Oberseminar Representation Theory
MPIM Lecture Hall
Thomas Gerber (Université Lyon 1)
[OS Reps] Defect zero block enumeration

Tue, 26 May 2026

11:00 - 12:30
Abstract Homotopy Theory Seminar
MPIM Seminar Room
Niall Taggart (Queen's University Belfast)
Realification of stably trivial vector bundles

Wed, 27 May 2026

10:30 - 12:00
Higher Differential Geometry Seminar
MPIM Lecture Hall
Yuezhao Li (University of Leiden)
tba
14:00 - 15:45
Course on Metric and approximability for triangulated categories
MPIM Seminar Room
Kabeer Rahul (MPIM)
Course on Metric and approximability for triangulated categories
15:15 - 16:00
MPI lecture series / IMPRS-minicourse
MPIM Lecture Hall
Don Zagier (MPIM)
Counting techniques I: Combinatorics and algebraic geometry
16:30 - 18:00
Question Seminar
MPIM Seminar Room
Question Seminar
16:30 - 17:15
MPI lecture series / IMPRS-minicourse
MPIM Lecture Hall
Don Zagier (MPIM)
Counting techniques I: Combinatorics and algebraic geometry

Fri, 29 May 2026

14:00 - 16:00
Oberseminar Representation Theory
MPIM Lecture Hall
Gustavo Jasso (Universität zu Köln)
Hopfological algebra, revisited

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