Veranstaltungen am MPIM

Alternatively, look at the traditional Weekly Program or the Bonn Mathematics Calendar, a complete list of all mathematical events in Bonn.

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Juli 2025

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	Montag	Dienstag	Mittwoch	Donnerstag	Freitag	Samstag	Sonntag
27		1 09:00 - MPIM Lecture Hall Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras" 11:00 - MPIM Lecture Hall Eduardo Fernandez (LDT seminar) Non-flexible loops of loose Legendrians in 3 dimensions 14:00 - MPIM Lecture Hall Bruno Nachtergaele Ground states of quantum lattice systems, II 15:00 - MPIM Tea Room Tea break 15:30 - MPIM Lecture Hall Michael Hopkins Lattice models and topological quantum field theories II 16:30 - MPIM Tea Room Tea break 16:45 - MPIM Lecture Hall Pieter Naaijkens Introduction to superselection sector theory II 17:45 - MPIM Tea Room Tea break 18:00 - MPIM Lecture Hall Alexander Kitaev Local definitions of gapped Hamiltonians and topological and invertible states, II 19:00 - MPIM Tea Room Finger food reception	2 09:00 - MPIM Lecture Hall Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras" 14:00 - MPIM Lecture Hall Bruno Nachtergaele Ground states of quantum lattice systems, III 15:00 - MPIM Tea Room Tea break 15:00 - MPIM Tea Room Tea break 15:30 - MPIM Lecture Hall Michael Hopkins Lattice models and topological quantum field theories III 16:30 - MPIM Tea Room Tea break 16:45 - MPIM Lecture Hall Pieter Naaijkens Introduction to superselection sector theory III 17:45 - MPIM Tea Room Tea break 18:00 - MPIM Lecture Hall Alexander Kitaev Local definitions of gapped Hamiltonians and topological and invertible states, III	3 09:00 - MPIM Lecture Hall Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras" 10:45 - MPIM Lecture Hall Peter Scholze (33èmes Journées Arithmétiques) Wild Betti sheaves 14:00 - MPIM Lecture Hall Bruno Nachtergaele Ground states of quantum lattice systems, IV 15:00 - MPIM Tea Room Tea break 15:30 - MPIM Lecture Hall Michael Hopkins Lattice models and topological quantum field theories IV 16:30 - MPIM Lecture Hall Tea break 16:45 - MPIM Lecture Hall Pieter Naaijkens Introduction to superselection sector theory IV 17:45 - MPIM Tea Room Tea break 18:00 - MPIM Lecture Hall Alexander Kitaev Local definitions of gapped Hamiltonians and topological and invertible states, IV	4 09:00 - MPIM Lecture Hall Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras" 10:00 - MPIM Lecture Hall Open discussions 10:15 - MPIM Seminar Room Ferdinand Wagner Reshetikhin-Turaev invariants 12:00 - MPIM Seminar Room Peter Scholze Vorlesung: Habiro Cohomology 14:05 - MPIM Seminar Room Lambert A'Campo Local-global compatibility at l = p over CM fields (Oberseminar Arithm. Geometry and Representation Theory)	5 09:00 - MPIM Lecture Hall Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras"	6 09:00 - MPIM Lecture Hall Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras"
28	7 09:00 - MPIM Lecture Hall Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras" 13:00 - Registration 14:00 - MPIM Lecture Hall Jackson van Dyke Moduli spaces of projective 3d TQFTs 14:00 - Center for Mathematics Bonn Juan Esteban Rodriguez Camargo A sketch of the proof of modularity of abelian surfaces 15:00 - MPIM Tea Room Tea break 15:30 - MPIM Lecture Hall Lukasz Fidkowski Non-invertible bosonic chiral symmetry on the lattice 16:30 - MPIM Tea Room Tea break 16:45 - MPIM Lecture Hall Matthias Ludewig Generalized Kitaev Pairings and Higher Berry curvature in coarse geometry 17:45 - MPIM Tea Room Tea break 18:00 - MPIM Lecture Hall Theo Johnson-Freyd Some thoughts about Kapustin’s cobordism conjecture	8 09:00 - MPIM Lecture Hall Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras" 14:00 - MPIM Lecture Hall David Reutter On the categorical spectrum of topological quantum field theories 15:00 - MPIM Tea Room Tea break 15:30 - MPIM Lecture Hall Agnes Beaudry An algebraic theory of planon-only fracton orders 16:30 - MPIM Tea Room Tea break 16:45 - MPIM Lecture Hall João Faria Martins A categorification of Quinn's finite total homotopy TQFT with application to TQFTs and once-extended TQFTs derived from discrete higher gauge theory 17:45 - MPIM Tea Room Tea break 18:00 - MPIM Lecture Hall Emil Prodan Mapping the landscape of frustration-free models 19:00 - MPIM Tea Room Finger food reception	9 09:00 - MPIM Lecture Hall Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras" 14:00 - MPIM Lecture Hall Alexander Schenkel C-categorical prefactorization algebras for superselection sectors and topological order 15:00 - MPIM Tea Room Tea break 15:30 - MPIM Lecture Hall Constantin Teleman* Quantizing homotopy types 16:30 - MPIM Tea Room Tea break 16:45 - MPIM Lecture Hall Nils Carqueville Gauging categorical symmetries 17:45 - MPIM Tea Room Tea break 18:00 - MPIM Lecture Hall Nikita Sopenko Reflection positivity and invertible phases of 2d quantum many-body systems	10 09:00 - MPIM Lecture Hall Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras" 10:30 - MPIM Lecture Hall Luigi Martinelli (Seminar SAG) On the exceptional locus of O’Grady’s nonsymplectic resolutions 14:00 - MPIM Lecture Hall Ilka Brunner Defects as functors between phases of Abelian gauged linear sigma models 15:00 - MPIM Tea Room Tea break 15:30 - MPIM Lecture Hall David Penneys Holography for bulk-boundary local topological order 16:45 - MPIM Lecture Hall Christoph Schweigert Tensor network states: a topological field theory perspective 17:45 - MPIM Lecture Hall Tea break 18:00 - MPIM Lecture Hall Greg Moore tba	11 09:00 - MPIM Lecture Hall Twinned workshop on "Quantum Field Theory and Topological Phases via Homotopy Theory and Operator Algebras" 09:00 - MPIM Lecture Hall Speed talks (only MPIM, not streamed) 10:00 - MPIM Tea Room Tea break 10:15 - MPIM Seminar Room Lukas Bonfert Quantum groups and recovering Jones and HOMFLY 10:30 - MPIM Lecture Hall Speed talks (only MPIM, not streamed) 11:30 - Break 12:00 - MPIM Seminar Room Peter Scholze Habiro Cohomology 14:00 - MPIM Lecture Hall Markus Pflaum A tour d’horizon through homotopical aspects of C-algebraic quantum spin systems 14:05 - MPIM Seminar Room Lucas Mann* Hyperbolic Localization and Second Adjointness	12	13
29	14	15 11:00 - MPIM Lecture Hall Ivan Yakovlev tba 14:30 - MPIM Lecture Hall Joseph Leung tba	16 10:30 - MPIM Lecture Hall Hao Xu tba	17	18	19	20
30	21 09:00 - MPIM Lecture Hall Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL) 09:00 - Registration 10:00 - MPIM Lecture Hall tba 11:00 - MPIM Lecture Hall tba 12:00 - Lunch break 14:00 - MPIM Lecture Hall tba 15:00 - MPIM Lecture Hall tba 16:00 - MPIM Tea Room Tea break 16:30 - MPIM Lecture Hall tba	22 09:00 - MPIM Lecture Hall Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL) 10:00 - MPIM Lecture Hall tba 11:00 - MPIM Seminar Room Rafael Torres tba 11:00 - MPIM Lecture Hall tba 12:00 - Lunch break 14:00 - MPIM Lecture Hall tba 15:00 - MPIM Lecture Hall tba 16:00 - MPIM Tea Room Tea break 16:30 - MPIM Lecture Hall tba 19:00 - Dinner	23 09:00 - MPIM Lecture Hall Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL) 10:00 - MPIM Lecture Hall tba 10:30 - MPIM Lecture Hall Honglei Lang tba 11:00 - MPIM Lecture Hall tba 16:30 - MPIM Seminar Room David Gepner tba	24 09:00 - MPIM Lecture Hall Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL) 10:00 - MPIM Lecture Hall tba 11:00 - MPIM Lecture Hall tba 12:00 - Lunch break 14:00 - MPIM Lecture Hall tba 15:00 - MPIM Lecture Hall tba 16:00 - MPIM Tea Room Tea break 16:30 - MPIM Lecture Hall tba	25 09:00 - MPIM Lecture Hall Conference on "Progress and Emergent Theories in Zeta and L-Functions" (PRETZL) 10:00 - MPIM Lecture Hall tba 11:00 - MPIM Lecture Hall tba	26	27
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