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MPI-Oberseminar

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Organiser(s): 
C. Kaiser
Datum: 
Don, 31/01/2013 - 15:00 - Don, 31/12/2026 - 16:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of MPI-Oberseminar

The Oberseminar is a very long running seminar at MPI (‘Ober‘ standing for 'upper'). Its idea is that the guests of the MPI speak in this seminar (hopefully early in their stay) and get the chance to explain their work to the other guests.

Friedrich Hirzebruch Lecture

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Location: 
University Club Bonn
Details: 
Program and Abstracts of Friedrich Hirzebruch Lecture

The annual Friedrich Hirzebruch Lecture is a series of lectures started in 2007 on the occasion of the 80th birthday of Prof. Friedrich Hirzebruch. The lectures address a general audience and aim at illustrating the relation between mathematics and art, society and other fields.

Conference in Memory of Yuri Manin

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Organiser(s): 
Dennis Gaitsgory, Mikhail Kapranov, Ivan Penkov, Maxim Smirnov
Datum: 
Mon, 11/08/2025 - 09:00 - Fre, 15/08/2025 - 15:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Conference in Memory of Yuri Manin

Conference in Memory of Yuri Manin, August 11 - 15, 2025

Yuri I. Manin (February 16, 1937 - January 7, 2023) was an extraordinary figure in mathematics. Renowned for his creativity, Professor Manin's profound insights -- in diverse subjects ranging from algebraic geometry to mathematical physics and quantum computing -- helped shape modern mathematics. Professor Manin was Director of the Max Planck Institute for Mathematics in Bonn. In this week-long conference, the institute will honor his results and ideas and will attempt to trace some of their developments.

Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL)

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Organiser(s): 
Pranendu Darbar, Winston Heap, Oana Padurariu, Prahlad Sharma
Datum: 
Mon, 21/07/2025 - 09:00 - Fre, 25/07/2025 - 15:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL)

Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL), July 21-25, 2025

There has been an enormous amount of progress in the analytic theory of zeta and L-functions over the past decade. Our understanding in the classical theory of the value distribution of the Riemann zeta function has achieved new heights with spectacular breakthroughs on moments and extreme values (both local and global) leading to a better understanding of families of L-functions more generally.

Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras"

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Organiser(s): 
Daniel Freed (Harvard University), Dennis Gaitsgory (MPIM Bonn), Owen Gwilliam (University of Massachusetts, Amherst), Anton Kapustin (Caltech), Catherine Meusburger (FAU Erlangen-Nürnberg)
Datum: 
Mon, 30/06/2025 - 09:00 - Fre, 11/07/2025 - 15:00
Location: 
MPIM Lecture Hall
Details: 
Program and Abstracts of Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras"

Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras", June 30 - July 11, 2025

Quantum Field Theory (QFT) and Quantum Statistical Mechanics are central to high energy physics and condensed matter physics; they also raise deep questions in mathematics.  The application ofoperator algebras to these areas of physics is well-known.

Approximation of perfectoid rings by Noetherian rings and prisms

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Speaker: 
Ryo Ishizuka
Zugehörigkeit: 
Institute of Science Tokyo
Datum: 
Die, 27/05/2025 - 14:00 - 15:30
Location: 
MPIM Seminar Room

The theory of perfectoid towers, introduced by Ishiro-Nakazato-Shimomoto, provides an axiomatic approach to perfectoid theory in commutative algebra through tower-theoretic approximations. In contrast, Bhatt and Scholze introduced prisms as a "deperfection" of perfectoid rings. Our main result shows that a "gradual perfection" of a prism becomes a perfectoid tower. As a consequence, we prove that any p-torsion-free p-adically complete delta-ring that is reduced modulo p admits a perfectoid tower.

G-functions, Periods, and irrationality

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Speaker: 
Frank Calegari
Zugehörigkeit: 
University of Chicago
Datum: 
Fre, 16/05/2025 - 14:00 - 15:00
Location: 
MPIM Lecture Hall
Parent event: 
Conference on "Quantum Topology"

In 1978, Apery proved that zeta(3) was irrational. Perhaps unexpectedly, his methods have
proven exceptionally hard to generalize. In recent work with Dimitrov and Tang, we have found a new framework with which to study these ideas, with a number of applications both to modular forms and irrationality. Our aim will be to give a gentle overview of our ideas, as well as highlight a number of basic open questions about G-functions which Riemann would understand.

Lunch break

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Datum: 
Fre, 16/05/2025 - 12:00 - 14:00
Parent event: 
Conference on "Quantum Topology"

(Vorlesung) Habiro Cohomology

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Speaker: 
Peter Scholze
Zugehörigkeit: 
MPIM
Datum: 
Fre, 16/05/2025 - 12:00 - 13:30
Location: 
MPIM Seminar Room
Parent event: 
Vorlesung Selected Topics in Algebraic Geometry: Habiro Cohomology

Cohomology Classes from q-Picard–Fuchs Equations

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Speaker: 
Campbell Wheeler
Zugehörigkeit: 
IHES
Datum: 
Fre, 16/05/2025 - 11:00 - 12:00
Location: 
MPIM Lecture Hall
Parent event: 
Conference on "Quantum Topology"

In joint work with Garoufalidis–Scholze–Zagier, we constructed elements in generalized Habiro rings associated to number fields. A central aspect of this work involved lifting analytic to algebraic data—a process that can be viewed as a form of analytic continuation. In ongoing work with Garoufalidis, we extend these techniques to the setting of hypergeometric motives, replacing algebraic functions with periods. When interpreted appropriately, this yields power series expansions around roots of unity whose coefficients are explicitly computable cohomology classes.

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