Mathematical Physics and String Theory
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Joint Seminar

This a joint online video seminar series on theoretical and mathematical physics organized together by the ASC and the universities of Heidelberg, Mainz and Vienna via a BigBlueButton interface.

Please note the change of time:
It will take place on Mondays at 16:15.

If you are interested to participate, please send an email toIlka Brunner.

Next talk:
17.01. Daniel Roggenkamp (U. Mannheim) (via ZOOM)
Title: Defects and affine Rozansky-Witten models
Abstract: In this talk I will explain in the example of Rozansky-Witten models with affine target spaces, how, by means of the cobordism hypothesis, one can reconstruct an (extended) TQFT from its identity defect. For illustration I will shoot a sparrow with a cannon and use defects to rederive the state spaces of affine RW models for arbitrary surfaces.
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Schedule
31.01. Tudor Dimofte
07.02. Jakob Palmkvist
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Past seminars winter 2020/2021
10.01. Eric Sharpe (Virginia Tech.) "An introduction to decomposition"
20.12. Yongbin Ruan (Zhejiang University) "Geometric Langlands and coadjoint orbits"
13.12. Justin Hilburn (Perimeter) "2-Categorical 3d Mirror Symmetry"
06.12. Mykola Dedushenko "Quantum algebras and SUSY interfaces"
29.11. Kevin Costello (Perimeter) "Self-dual Yang-Mills and anomaly cancellation on twistor space"
22.11. Ingmar Saberi (LMU) "Twisted eleven-dimensional supergravity and exceptional Lie algebras"
15.11. Pavel Putrov (ICTP Trieste) "Non-semisimple TQFTs and BPS q-series"
25.10. Michele Schiavina (ETH Zurich) "BV-BFV approach to General Relativity"

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Past seminars summer 2021
05.07. Jan Manschot (Dublin) "Topological correlators of N=2* Yang-Mills theory"
21.06. Johanna Knapp (Melbourne) "Genus 1 fibered Calabi-Yau 3-folds with 5-sections - A GLSM perspective"
14.06. John Huerta (University of Lisbon) "Bundle gerbes on Lie supergroups"
17.05. Cyrill Closset (Birmingham) "Rank-1 5d SCFTs: Mapping out the U-plane"
10.05. Lukas Woike (Copenhagen) "Higher structures from modular categories"
03.05. Miguel Montero (Harvard) "Cobordisms, anomalies, and the Swampland"
26.04. Mathew Bullimore(Durham U.)"Towards a Mathematical Definition of the 3d Superconformal Index"
19.04. Francesco Benini (SISSA) "Superconformal Index and Gravitational Path Integral"
12.04. Shota Komatsu (CERN) "Three tales of de Sitter"
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Past seminars winter 2020/2021
01.02. Andrea Brini "Quantum geometry and physics of Looijenga pairs"
25.01. Simeon Hellerman "The Large Quantum Number Expansion: Some Recent Developments"
11.01. Kasia Rejzner "BV-BFV formalism in perturbative AQFT"
14.12. Dmitri Bykov "Sigma models as Gross-Neveu models"
07.12. Susanne Reffert (U. Bern) "The large charge expansion"
30.11. Jörg Teschner (DESY) "PROPOSAL FOR A GEOMETRIC CHARACTERISATION OF TOPOLOGICAL STRING PARTITION FUNCTIONS"
16.11. Owen Gwilliam (U. of Massachusetts) "Centers of higher enveloping algebras and bulk-boundary systems"
09.11. Ilka Brunner (LMU) "Flow Defects and Phases of gauged linear sigma models"
02.11. Mathias Traube (MPI Munich) "Cardy Algebras, Sewing-Constraints and String-Nets"
26.10. Theo Johnson-Freyd (Perimeter) "3+1d topological orders with (only) an emergent fermion"
19.10. Chris Beem (Oxford U.) "Hall-Littlewood Chiral Rings and Derived Higgs Branches"
12.10. Ezra Getzler (Northwestern U.) "Gluing local gauge conditions in BV quantum field theory
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Past seminars summer 2020

20.07. Thorsten Schimannek (Vienna U.) "The quantum geometry of genus one fibered Calabi-Yau threefolds"
13.07. Thomas Creutzig (Alberta) "Algebraic blow-up"
29.06. Alberto Cattaneo (Zurich) "Hamilton-Jacobi and Quantum Chern-Simons on Cylinders"
22.06 Simone Noja (Como) "On Some Global and Local Problems in Supergeometry"
15.06. Tomas Prochazka (LMU) "Grassmannian VOAs"
08.06. Ingmar Saberi (Heidelberg) "Holomorphic field theories and higher symmetries"
25.05. Christoph Chiaffrino (LMU) “Planar Quantum A-Infinity Algebras”
18.05. Nils Carqueville (Vienna) “An introduction to functorial TQFT with defects”
11.05. Ivo Sachs (LMU) "From BV to string theory and back"