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Upcoming Talks

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Abstracts of upcoming talks at the MPIM. For an overview see also the calendar.

Recent developments in Quantum Topology -- Cancelled --

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We will review the basics of quantum topology such as the colored Jones polynomial of a knot, its standard conjectures relating to asymptotics, arithmeticity and modularity, as well as the recent quantum hyperbolic invariants of Kashaev et al, their state-integrals and their structural properties. The course is aimed to be accessible by graduate students and young researchers.

Drinfeld discriminant function and Fourier expansion of harmonic cochains

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Speaker: 
Mihran Papikian
Affiliation: 
Penn State University/MPIM
Date: 
Wed, 29/03/2023 - 14:30 - 15:30
Location: 
MPIM Lecture Hall
Parent event: 
Number theory lunch seminar

Contact: Pieter Moree (moree @ mpim-bonn.mpg.de)

Plenary talk, GROW conference

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Speaker: 
Karen Vogtmann
Affiliation: 
Warwick/Cornell
Date: 
Thu, 30/03/2023 - 15:00 - 16:00
Location: 
MPIM Lecture Hall
Parent event: 
Graduate Research Opportunities for Women at Bonn 2023 (GROW)

https://www.hcm.uni-bonn.de/grow2023/

Differential graded Lie algebras and stability problems in geometry

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Speaker: 
Karandeep Singh
Affiliation: 
KU Leuven
Date: 
Wed, 05/04/2023 - 10:30 - 12:00
Location: 
MPIM Lecture Hall
Parent event: 
Higher Differential Geometry Seminar

Given a Lie algebroid structure on a vector bundle $A$ and a leaf $L$ of this Lie algebroid, a natural question is whether all nearby Lie algebroid structures on A have a leaf which is diffeomorphic to $L$. This question was answered by M. Crainic and R. Fernandes.

tba

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Speaker: 
Chris Connell
Affiliation: 
Indiana University, Bloomington/MPIM
Date: 
Thu, 06/04/2023 - 16:30 - 17:30
Location: 
MPIM Lecture Hall
Parent event: 
Oberseminar Differentialgeometrie

An algebraic approach to inequalities in convex geometry

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Speaker: 
Jan Kotrbaty
Affiliation: 
University of Frankfurt
Date: 
Thu, 13/04/2023 - 16:30 - 17:30
Location: 
MPIM Lecture Hall
Parent event: 
Oberseminar Differentialgeometrie

The classical isoperimetric inequality and more generally the Alexandrov-Fenchel inequality are among the most fundamental results in convex geometry; in fact, their significance extends far beyond convexity. In our talk, a conjectural broad generalization of these inequalities will be formulated in the language of Alesker's algebraic theory of valuations on convex bodies.

Schinzel's Hypothesis with probability 1 and rational points on varieties in families

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Speaker: 
Efthymios Sofos
Organiser(s): 
MPIM/University of Glasgow
Date: 
Wed, 19/04/2023 - 16:30 - 17:30
Location: 
MPIM Lecture Hall
Parent event: 
Number theory lunch seminar

We prove that Schinzel's Hypothesis (H) holds for 100% of polynomials of any fixed degree. I will discuss the proof of this result and also explain how to deduce from this the Hasse principle for certain surfaces.

tba

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Speaker: 
Tommaso Cremaschi
Affiliation: 
University of Luxembourg
Date: 
Thu, 20/04/2023 - 16:30 - 17:30
Location: 
MPIM Lecture Hall
Parent event: 
Oberseminar Differentialgeometrie

tba

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Speaker: 
Valentin Blomer
Affiliation: 
University of Bonn
Date: 
Mon, 24/04/2023 - 10:00 - 11:00
Location: 
MPIM Lecture Hall
Parent event: 
Conference on "Arithmetic Statistics, Automorphic Forms and Ergodic Methods"

tba

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Speaker: 
Sary Drappeau
Affiliation: 
Aix-Marseille Université
Date: 
Mon, 24/04/2023 - 11:30 - 12:30
Location: 
MPIM Lecture Hall
Parent event: 
Conference on "Arithmetic Statistics, Automorphic Forms and Ergodic Methods"
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