# Colloquium of the ZMP

If you are interested in attending the colloquium please send an email to Birgit Mehrabadi for the zoom link

## Talks in Summer Semester 2024

### Next talks

- May 30, 2024, 4:15pm, GEOMATIKUM, lecture theatre 2:
**Sara Tukachinsky**(Tel Aviv University) – Open Gromov-Witten theory – introduction and recent developments - June 13, 2024, 4:15pm, DESY, building 2a, Seminarraum 2:
**Miranda Cheng**(Amsterdam / Tapei) – tba - June 27, 2024, 4:15pm, GEOMATIKUM, lecture theatre 2:
**Tamás Hausel**(tbc) (ISTA) – tba

### History of talks

- May 2, 2024, 4:15pm, DESY, building 2a, Seminarraum 2:
**Emanuel Malek**(HU Berlin) – Solving strongly-coupled conformal field theories using the exceptional symmetries of supergravity - April 11, 2024, 4:15pm, GEOMATIKUM, lecture theatre 2:
**Robert König**(TU München) – Quantum fault-tolerance and locality

## History of talks Summer 2021 – Winter 2023/24

- January 25, 2024, 4:15pm, DESY, building 2a, Seminarraum 2:
**Sungkyung Kang**(University of Oxford) – Seiberg-Witten theory, homotopy-coherent group actions, and exotic Dehn twists - January 11, 2024, 4:15pm, GEOMATIKUM, lecture theatre 3:
**Thomas Mohaupt**(University of Liverpool) – What is the T-dual of an event horizon? - December 21, 2023, 4:15pm, GEOMATIKUM, lecture theatre 3:
**!!! ENTFÄLLT !!! Robert König**(TU München ) – Topological order and shallow quantum circuits - December 7, 2023, 4:15pm, DESY, building 2a, SR 2 (virtual):
**Owen Gwilliam**(University of Massachusetts, Amherst) – 4-dimensional gauge theories and their holomorphic twists - November 23, 2023, 4:15pm, DESY, building 2a, Seminarraum 2:
**Iñaki García Etxebarria**(Durham University) – Deriving SymTFTs from geometry - November 2, 2023, 4:15pm, GEOM H3 (virtual):
**Hugh Thomas**(Université du Québec à Montréal) – String-like amplitudes for surfaces beyond the disk - July 13, 2023, 4:15pm, GEOMATIKUM, lecture theatre 3:
**Hans Jockers**(Johannes Gutenberg Universität Mainz) – Quantum K-Theory and 3d Gauge Theories - June 29, 2023, 4:15pm, DESY, building 2a, Seminarraum 2:
**Hartmut Weiß**(Christian-Albrechts-Universität zu Kiel) – On the modularity of gravitational instantons of type ALG - June 15, 2023, 4:15pm, GEOMATIKUM, lecture theatre 3:
**Quoc Ho**(Hong Kong Univ. of Science & Technology) – Character sheaves, HOMFLY-PT homology, and Hilbert schemes of points on ℂ² - May 25, 2023, 4:15pm, online:
**Mathew Bullimore**(Durham University) – Higher Representations for Extended Operators - May 11, 2023, 4:15pm, online:
**Thomas Lam**(University of Michigan) – Scattering amplitudes and configuration space - April 27, 2023, 4:15pm, DESY, building 2a, Seminarraum 2:
**Doppelseminar**– Kramers-Wannier duality in (3+1)d field theory - April 13, 2023, 4:15pm, GEOMATIKUM, lecture theatre 2:
**Doppelseminar**– Kramers-Wannier duality in the Ising model, part 1 + 2 - January 26, 2023, 4:15pm, online:
**Domenico Fiorenza**(Universität Rom) – String bordism invariants in dimension 3 from U(1)-valued TQFTs - January 12, 2023, 4:15pm, DESY, building 2a, Seminarraum 2:
**Claude Duhr**(Universität Bonn) – The mathematics of precision physics - December 15, 2022, 4:15pm, GEOMATIKUM, lecture theatre 3:
**Lotte Hollands**(Edinburgh) – Non-perturbative partition functions for supersymmetric QFT's - December 1, 2022, 4:15pm, DESY, building 2a, Seminarraum 2:
**Boris Pioline**(Sorbonne Université and CNRS, Paris) – Modular bootstrap for BPS indices on Calabi-Yau threefolds - November 17, 2022, 4:15pm, GEOMATIKUM, lecture theatre 3:
**Vivek Shende**(CQM Syddansk) – Open curve counting in CY3 - November 3, 2022, 4:15pm, DESY, building 2a, Seminarraum 2:
**Konrad Waldorf**(Universität Greifswald) – Geometric T-Duality: Buscher rules in general topology - July 14, 2022, 12:16am, GEOMATIKUM, lecture theatre 6:
**Kevin Walker**(Microsoft Station Q) – Low-dimensional G-bordism and G-modular TQFTs - June 30, 2022, 4:15pm, online:
**Justin Kaidi**(Stony Brook University) – Non-Invertible Symmetries in d>2 - June 16, 2022, 4:15pm, online:
**Irene Valenzuela**(Harvard) – The Three Main Pillars of the Swampland - June 2, 2022, 4:15pm, GEOMATIKUM, lecture theatre 6:
**Gustav Holzegel**(WWU Münster) – The Stability of Black Hole Spacetimes - May 12, 2022, 4:15pm, online:
**Sam Raskin**(UT Austin) – Quantum duality and Morita theory for chiral algebras - April 28, 2022, 4:15pm, online:
**Pierre-Guy Plamondon**(Paris-Saclay) – tba - 27 January 2022, 4:15pm, online:
**Zhenghan Wang**(UC Santa Barbara) – A Riemann sum approach to quantum field theory - 13 January 2022, 4:15pm, online:
**Nathan Reading**(North Carolina State University) – Scatter, cluster, scatter, model (PDF) - 16 December 2021, 4:15pm, online:
**Pavel Safronov**(Edinburgh) – Virtual fundamental classes and Batalin-Vilkovisky quantization from supersymmetric twists (PDF) - 2 December 2021, 5:15pm, online:
**Natalie Paquette**(University of Washington) – Symmetries, universal defects, and holography (PDF) - 18 November 2021, 4:15pm, online:
**Michele del Zotto**(Uppsala University) – BPS states, global structures, and cluster categories (PDF) - 4 November 2021, 4:15pm, online:
**Bernhard Keller**(Paris Jussieu) – Cluster algebras and representation theory (PDF) - 21 October 2021, 4:15pm, online:
**Anastasia Volovich**(Brown University) – Mathematical Structures of Scattering Amplitudes (PDF) - 1 July 2021, 4:15pm, online:
**Matthew Buican**(Queen Mary University of London) – aXb=c in 2+1D TQFT (PDF) - 10 June 2021, 4:15pm, online:
**Mina Aganagic**(University of California, Berkeley) – Khovanov Homology from Mirror Symmetry (PDF) - 3 June 2021, 4:15pm, online:
**Constantin Teleman**(University of California, Berkeley) – Towards a universal target for TQFTS (PDF) - 20 May 2021, 4:15pm, online:
**Stefano Negro**(New York University) – The ODE/IM correspondence. A look to the past and one to the future (PDF) - 29 April 2021, 4:15pm, online:
**Alexei Oblomkov**(University of Massachussetts, Amherst) – Kapustin-Saulina-Rozansky Topological quantum field theories (TQFT) and knot homology (PDF) - 15 April 2021, 4:15pm, online:
**Davide Gaiotto**(Perimeter Institute, Canada) – 4d SYM applications to analytic Geometric Langlands

## History of talks Summer 2016 – Winter 2020/21

- 18 February 2021, 4:15pm, online:
**Pierrick Bousseau**(ETH Zürich) – The skein algebra of the 4-punctured sphere from curve counting (PDF) - 4 February 2021, 4:15pm, online:
**Fernando Marchesano**(IFT Madrid) – Module spaces in quantum gravity (PDF) - 21 January 2021, 4:15pm, online:
**Douglas Stanford**(Stanford University) – Wormholes and random matrices (PDF) - 7 January 2021, 4:15pm, online:
**Fabian Haiden**(University of Oxford) – Motivic Donaldson-Thomas invariants of flat surfaces (PDF) - 10 December 2020, 4:15pm, online:
**Eran Palti**(Ben Gurion University) – The Cosmological Constant and the Swampland (PDF) - 26 November 2020, 4:15pm, online:
**Kevin Costello**(Perimeter Institute) – A mathematical formulation of holography (PDF) - 12 November 2020, 4:15pm, online:
**Tom Rudelius**(IAS Princeton) – Black Holes to Algebraic Curves: Consequences of the Weak Gravity Conjecture (PDF) - 9 July 2020, 2:15pm, online:
**Double-Seminar**– Topological phases of matter, matrix product states, and tensor categories - 11 June 2020, 4:15pm, online:
**Nils Carqueville**(Universität Wien) – Topological Quantum Field Theory with Defects - 7 May 2020, 4:15pm, online:
**Matthias Gaberdiel**(ETH) – An exact AdS/CFT duality - 30 January 2020, 4:15pm, DESY, building 2a, seminar room 2:
**Thomas Grimm**(University of Utrecht, NL) – On imprints of quantum gravity and their fascinating mathematics - 16 January 2020, 4:15pm, Geomatikum, lecture hall 6:
**Timo Weigand**(Universität Mainz) – Quantum Gravity Constraints, Emergent Strings and Geometry - 19 December 2019, 4:15pm, DESY, building 2a, seminar room 2:
**Thomas Dumitrescu**(UCLA, USA) – From Seiberg-Witten Theory to Non-Supersymmetric Gauge Dynamics - 5 December 2019, 4:15pm, Geomatikum, lecture hall 6:
**Tudor Dimofte**(University of California, Davis, USA) – 3d Gauge Theories and Representation Theory - 14 November 2019, 4:15pm, DESY, building 2a, seminar room 2:
**Double-Seminar**– JT gravity and Mirzakhani's recursion - 24 October 2019, 4:15pm, Geomatikum, lecture hall 6:
**Harold Williams**(University of California, Davis, USA) – The algebraic geometry of Wilson-'t Hooft lines in 4d N=2 gauge theories - 4 July 2019, 4:15pm, Geomatikum. lecture hall H2:
**Double Seminar**– Integrable PDEs, Riemann-Hilbert correspondence and free fermion conformal field theory - 20 June 2019, 2:15pm, DESY, building 2a, seminar room 2:
**Sergey Derkachov**(PDMI, St. Petersburg) – Separation of variables and calculation of the Feynman diagrams - 6 June 2019, 4:15pm, Geomatikum, lecture hall H2:
**Tom Bridgeland**(University of Sheffield) – Geometry from Donaldson-Thomas invariants - 16 May 2019, 2:15pm, DESY, building 2a, seminar room 2:
**Double-Seminar**– Integrable PDEs, Riemann-Hilbert correspondence and free fermion conformal field theory - 2 May 2019, 4:15pm, Geomatikum, lecture hall H2:
**Double Seminar**– Integrable PDEs, Riemann-Hilbert correspondence and free fermion conformal field theory - 18 April 2019, 2:15pm, DESY, building 2a, seminar room 2:
**Nils Carqueville**(University of Vienna) – Topological quantum field theory with defects - 4 April 2019, 4:15pm, Geomatikum, lecture hall H2:
**Sara Pasquetti**(Università di Milano-Bicocca) – Dualities and correspondences in SUSY gauge theories - 24 January 2019, 4:15pm, DESY, building 2a, seminar room 2:
**Jasper Stokman**(University of Amsterdam) – Harish-Chandra series and boundary correlation functions - 10 January 2019, 4:15pm, Geomatikum, lecture hall 6:
**Double Seminar**– Disc (E_k) algebras in TQFT and SUSY QFT - 13 December 2018, 4:15pm, DESY, building 2a, seminar room 2:
**André Henriques**(Oxford) – What Chern-Simons theory assigns to a point - 29 November 2018, 4:15pm, Geomatikum, lecture hall 6:
**Double Seminar**– Disc (E_k) algebras in TQFT and SUSY QFT - 15 November 2018, 4:15pm, DESY, building 2a, seminar room 2:
**Hugo Duminil-Copin**(IHES) – Counting self-avoiding walks - 1 November 2018, 4:15pm, Geomatikum, lecture hall 6:
**Thomas Willwacher**(ETH Zürich) – Models for configuration spaces through Feynman diagrams - 12 July 2018, 4:15pm, DESY, building 2a, seminar room 2:
**Eric Sharpe**(Virginia Tech, USA) – A proposal for nonabelian mirrors in two-dimensional theories - 28 June 2018, 4:15pm, Geomatikum, lecture hall 2:
**Double Seminar**– Flat connections and geometric quantisation - 31 May 2018, 4:15pm, DESY, building 2a, seminar room 2:
**Sergei Gukov**(Caltech, USA & MPI f. Mathematik, Bonn) – What are next generation MTCs and TQFTs? - 3 May 2018, 4:15pm, Geomatikum, lecture hall 2:
**Joseph Minahan**(Uppsala University, Sweden) – Super Yang-Mills on d-spheres - 3 May 2018, 2:45pm, Geomatikum, lecture hall 2:
**Bin Gui**(Vanderbilt University, USA) – Some unitarity problems in 2D conformal field theory - 19 April 2018, 2:15pm, DESY, building 2a, seminar room 2:
**Double Seminar**– Flat connections and geometric quantisation - 5 April 2018, 4:15pm, Geomatikum, lecture hall 2:
**Giovanni Felder**(ETH Zürich) – Gauge theory partition functions, representation schemes and random matrices - 11 January 2018, 4:15pm, Geomatikum, lecture hall 6:
**Antti Kupiainen**(University of Helsinki) – Proof of the DOZZ Formula - 14 December 2017, 2:15pm, DESY, building 2a, seminar room 2:
**Double Seminar**– Slightly more advanced topics in conformal field theory - 30 November 2017, 4:15pm, Geomatikum, lecture hall 6:
**Damien Calaque**(Université de Montpellier) – Two examples of fully extended TFTs - 16 November 2017, 4:15pm, DESY, building 2a, seminar room 2:
**Gus Schrader**(Columbia University (NY)) – Quantum total positivity and continuous tensor categories - 2 November 2017, 4:15pm, Geomatikum, lecture hall 6:
**Peter Teichner**(MPI Bonn) – Computing deformation classes of invertible field theories - 19 October 2017, 2:15pm, DESY, building 2a, seminar room 2:
**Double Seminar**– Slightly more advanced topics in conformal field theory - 22 June 2017, 4:15pm, Geomatikum, lecture hall 2:
**Laura Schaposnik**(University of Illinois at Chicago) – On the geometry of the moduli space of Higgs bundles - 1 June 2017, 2:15pm, DESY, building 2a, seminar room 2:
**Double-Seminar**– Hitchin Systems, Non-Abelian Hodge Theory and Wall Crossing - 11 May 2017, 4:15pm, Geomatikum, lecture hall 2:
**Domenico Monaco**(Universität Tübingen) – Topological and gauge-theoretic invariants in condensed matter systems - 27 April 2017, 4:15pm, DESY, building 2a, seminar room 2:
**Maxim Zabzine**(Uppsala University) – Virasoro constraints and localization - 13 April 2017, 2:15pm, Geomatikum, lecture hall 2:
**Double-Seminar**– Hitchin Systems, Non-Abelian Hodge Theory and Wall Crossing - 12 January 2017, 4:15pm, DESY, building 2a, seminar room 2:
**Christoph Keller**(ETH Zürich) – Mathieu Moonshine and Symmetry Surfing - 15 December 2016, 4:15pm, Geomatikum, lecture hall 6:
**Andy Neitzke**(Universität Texas) – Abelianization in Chern-Simons theory - 17 November 2016, 4:15pm, Geomatikum, lecture hall 2:
**Artan Sheshmani**(MIT und Universität Aarhus) – Nested Hilbert schemes, local Donaldson-Thomas theory - 14 July 2016, 4:15pm, Geomatikum, lecture hall 2:
**Jürg Fröhlich**(ETH Zürich, CH) – Randomness in Quantum Mechanics - the ETH approach - 23 June 2016, 4:15pm, DESY, building 2a, seminar room 2:
**David Jordan**(University of Edinburgh, UK) – Integrating quantum groups over surfaces - 2 June 2016, 4:15pm, DESY, building 2a, seminar room 2:
**Manfred Salmhofer**(Univ. Heidelberg) – Functional Renormalization - 21 April 2016, 4:15pm, DESY, building 2a, seminar room 2:
**Daniele Dorigoni**(Durham University, UK) – Resurgence and Trans-Series in Quantum Field Theory

## History of talks Summer 2011 – Winter 2015/16

- 28 January 2016, 4:15pm, DESY, building 61, Hörsaal:
**Marco Benini**(Univ. Potsdam) – Homotopical computations for Abelian gauge theory Slides - 14 January 2016, 4:15pm, Geomatikum, lecture hall 2:
**Stefan Theisen**(MPI Golm) – Anomalies and Conformal Manifolds - 17 December 2015, 4:15pm, DESY, building 2a, seminar room 2:
**Don Zagier**(MPI Bonn) – A link between two algebraic structures - 3 December 2015, 4:15pm, Geomatikum, lecture hall 2:
**Hermann Schulz-Baldes**(FAU Erlangen-Nürnberg) – Topological insulators: from K-theory to physics - 19 November 2015, 4:15pm, DESY, building 2a, seminar room 2:
**Gaetan Borot**(MPI Bonn) – The topological content of 2d rational CFTs - 29 October 2015, 4:15pm, DESY, building 2a, seminar room 2:
**Kenji Iohara**(Univ. Lyon) – Super Virasoro Algebras and their Variants - 11 June 2015, 4:15pm, Geomatikum, lecture hall 2:
**Jan Manschot**(Trinity College Dublin) – BPS Bound States and Quivers - 30 April 2015, 4:15pm, DESY, building 2a, seminar room 2:
**Niklas Beisert**(ETH Zürich) – Smooth Wilson Loops in N=4 Superspace and Yangian Symmetry - 16 April 2015, 4:15pm, Geomatikum, lecture hall 2:
**Gleb Arutyunov**(Universität Hamburg) – R-matrix Quantization of the Ruijsenaars-Schneider Models - 29 January 2015, 4:15pm, Geomatikum, lecture hall 2:
**Stefan Hollands**(Universität Leipzig) – Black holes and thermodynamics - 20 November 2014, 6:00pm, Geomatikum, lecture hall 2:
**Matthias Christiandl**(University of Copenhagen) – From Pauli’s Principle to Fermionic Entanglement - 23 October 2014, 4:15pm, Geomatikum, lecture hall 2:
**Miranda Cheng**(University of Amsterdam) – Moonshine and String Theory - 10 July 2014, 4:15pm, DESY, building 2a, seminar room 2:
**Ivan Smith**(University of Cambridge, UK) – Quadratic differentials, stability conditions and symplectic topology - 15 May 2014, 4:15pm, Geomatikum, lecture hall 2:
**Vladimir Fateev**(Russian Academy of Sciences, Moscow) – Alday-Gaiotto-Tachikawa conjecture and integrability - 24 April 2014, 4:15pm, DESY, building 2, seminar room 2:
**Konrad Waldorf**(Universität Greifswald) – String geometry and spin geometry on loop spaces - 10 April 2014, 4:15pm, Geomatikum, lecture hall 2:
**François Labourie**(Orsay, France) – The algebra of pairs swapping - 30 January 2014, 4:15pm, Geomatikum, lecture hall 2:
**Bertrand Eynard**(CEA, Salclay, France) – Topological recursion and moduli spaces, Laplace transform and Mirror symmetry - 16 January 2014, 4:15pm, DESY, building 2a, seminar room 2:
**Oleg Lisovyy**(Université deTours, France) – Painlevé funcitons and conformal blocks - 19 December 2013, 4:15pm, Geomatikum, lecture hall 2:
**Mina Aganagic**(University of California, Berkeley, USA) – A Refinement of Chern-Simons Theory and Knot Homology - 28 November 2013, 4:15pm, DESY, building 2a, seminar room 2:
**Arthur Bartels**(Universität Münster) – Conformal Nets as higher von Neumann Algebras - 14 November 2013, 4:15pm, Geomatikum, lecture hall 2:
**Elmar Schrohe**(Leibniz Universität Hannover) – A Families Index Theorem for Boundary Value Problems - 11 July 2013, 4:15pm, DESY, building 2a, seminar room 2:
**Mark Gross**(UC San Diego, USA) – Mirror symmetry and cluster algebras - 13 June 2013, 4:15pm, DESY, building 2a, seminar room 2:
**Philippe Di Francesco**(Gif-sur-Yvette, France) – Cluster Algebras: from Combinatorics to Statistical Physics - 2 May 2013, 4:15pm, DESY, building 2a, seminar room 2:
**Dorothea Bahns / Christian Bär**(Univ. Göttingen / Univ. Potsdam) – Microlocal analysis in Quantum Field Theory / Path integrals on curved spaces - 31 January 2013, 4:15pm, Geomatikum, lecture hall 2:
**Eric Vasserot**(IMJ, Paris) – AGT conjecture and Hall algebras - 17 January 2013, 4:15pm, DESY, building 2a, seminar room 2:
**Matthias Staudacher**(HU Berlin) – A Spectral Parameter for Scattering Amplitudes - 13 December 2012, 4:15pm, Geomatikum, lecture hall 2:
**Piotr Sulkowski**(Caltech/University of Amsterdam) – On knots, super-A-polynomial, and 3d gauge theories - 29 November 2012, 4:15pm, DESY, building 2a, seminar room 2:
**Lionel Mason**(St Peter's College Oxford) – Holomorphic linking in twistor space and the amplitude/Wilson-loop duality - 15 November 2012, 4:15pm, Geomatikum, lecture hall 2:
**Christian Blohmann**(MPI Bonn) – Hamiltonian Lie Algebroids and General Relativity - 1 November 2012, 4:15pm, DESY, building 2a, seminar room 2:
**Sander Zwegers**(Universität Köln) – An introduction to Nahm's conjecture - 18 October 2012, 4:15pm, Geomatikum, lecture hall 2:
**Daniel Waldram**(Imperial College London) – Generalised geometry and supergravity - 21 June 2012, 4:15pm, Geomatikum, lecture hall 2:
**Marcos Marino**(Universität Genf) – Three-dimensional superconformal field theories as Fermi gases - 7 June 2012, 4:15pm, DESY, building 2a, seminar room 2:
**John Cardy**(University of Oxford) – Discrete Holomorphicity, Integrability and Parafermions in Two Dimensions - 10 May 2012, 4:15pm, DESY, building 2a, seminar room 2:
**Martin Zirnbauer**(Universität Köln) – Of symmetries, symmetry classes, and symmetric spaces: from disorder and quantum chaos to topological insulators - 26 April 2012, 4:15pm, Geomatikum, lecture hall 2:
**Hans Jockers**(Universität Bonn) – Conifold Transitions in M-theory on Calabi-Yau fourfolds - 12 April 2012, 4:15pm, DESY, building 2a, seminar room 2:
**Sergei Gukov**(Caltech / MPI Bonn) – Quantization in Modern Mathematical Physics - 26 January 2012, 4:15pm, Geomatikum, lecture hall 2:
**Atish Dabholkar**(LPTHE Paris) – Quantum Entropy of Black Holes, Holography, and Number Theory - 12 January 2012, 4:15pm, DESY, building 2a, seminar room 2:
**Tamás Hausel**(Oxford) – Symmetries of SL(n) Hitchin fibers - 15 December 2011, 4:15pm, Geomatikum, lecture hall 2:
**Rinat Kashaev**(University of Geneva) – Quantum Chern-Simons theory with gauge group SL(2,C) - 1 December 2011, 2:15pm, Geomatikum, lecture hall 2:
**Richard Szabo**(Edinburgh) – String Theory and Higher Quantum Geometry - 17 November 2011, 4:15pm, Geomatikum, lecture hall 2:
**Olaf Lechtenfeld**(Hannover) – Instantons and Chern-Simons flows in d = 6, 7 and 8 - 3 November 2011, 4:15pm, DESY, building 2a, seminar room 2:
**Alexander Bobenko**(TU-Berlin) – Discrete Riemann Surfaces - 20 October 2011, 4:15pm, Geomatikum, lecture hall 2:
**Helge Glöckner**(Universität Paderborn) – Continuity and differentiability properties of typical non-linear mappings between spaces of test functions - 30 June 2011, 4:15pm, DESY, building 2a, seminar room 2:
**T. Bridgeland**(University of Oxford, UK) – Stability conditions and quadratic differentials - 23 June 2011, 4:15pm, Geomatikum lecture hall 2:
**F. Malikov**(University of Southern California) – Localization of affine W-algebras - 26 May 2011, 2:00pm, MINERALOGIE (Grindelallee 48):
**within the workshop**“Higher Structures in Topology and Geometry V” - 12 May 2011, 4:15pm, DESY, building 61, lecture hall:
**Hubert Saleur**(CEA Saclay, Frankreich) – Edge states and sigma models - 28 April 2011, 4:15pm, DESY, building 2a, seminar room 2:
**Boris Springborn**(TU Berlin) – Discrete conformal maps and ideal hyperbolic polyhedra - 14 April 2011, 4:15pm, Geomatikum lecture hall 2:
**Don Zagier**(MPIM Bonn/Collège de France, Paris) – Mock modular forms: a new tool in mathematics and physics

## History of talks Summer 2006 – Winter 2010/11

- 27 January 2011, 4:15pm, Geomatikum lecture hall 2:
**Andreas Ludwig**(UC Santa Barbara) – Classification of topological insulators and superconductors - 13 January 2011, 4:15pm, DESY, building 2a, seminar room 2:
**Fabian Essler**(University of Oxford, UK) – Finite Temperature and Quantum Quench Dynamics in Massive Integrable Quantum Field Theories - 16 December 2010, 4:15pm, Geomatikum lecture hall 2:
**Karl-Hermann Neeb**(Universität Erlangen-Nürnberg) – Semiboundedness in the representation theory of infinite dimensional Lie groups - 18 November 2010, 4:15pm, Geomatikum lecture hall 2:
**Markus Reineke**(Universität Wuppertal) – (Quantum) Donaldson-Thomas type invariants and quivers - 4 November 2010, 4:15pm, DESY, building 2a, seminar room 2:
**Roberto Longo**(University of Rome, Italy) – Operator Algebras, an Analog of the Beurling-Lax Theorem and Boundary QFT - 21 October 2010, 4:15pm, Geomatikum lecture hall 2:
**Jacopo Stoppa**(Trinity College, Cambridge) – D0-D6 states, Gromov-Witten invariants and universal covering quivers - 1 July 2010, 4:15pm, Geomatikum lecture hall 2:
**Peter Mayr**(LMU München) – (Quantum) Deformation of N=1 mirror symmetry - 3 June 2010, 4:15pm, Geomatikum lecture hall 2:
**Bernhard Krötz**(Leibniz Universität Hannover) – Kanonische Komplexifizierungen - 6 May 2010, 4:15pm, DESY, building 2a, seminar room 2:
**Joachim Cuntz**(Universität Münster) – Cantor systems and ring C*-algebras - 22 April 2010, 4:15pm, Geomatikum lecture hall 2:
**Nils Carqueville**(LMU München) – Quiver gauge theories from open topological string theory - 8 April 2010, 4:15pm, DESY, building 2a, seminar room 2:
**Martijn Wijnholt**(Harvard University) – Unification in M- and F-Theory - 12 March 2010, 3:30pm, DESY, building 1, seminar room 4a:
**F. Smirnov**(Paris) – One point functions in the Sine-Gordon model - 12 March 2010, 2:00pm, DESY, building 1, seminar room 4a:
**M. Jimbo**(Tokyo) – Hidden Grassmann structure of integrable models II. CFT limit - 12 March 2010, 11:00am, DESY, building 1, seminar room 4a:
**T. Miwa**(Kyoto) – Hidden Grassmann structure of integrable models I. XXZ model **CANCELLED:**4 February 2010, 4:15pm, Geomatikum, lecture hall H2:**Dirk Kreimer**(Boston) – Progress with renormalizable field theories- 28 January 2010, 4:15pm, Geomatikum, lecture hall 2:
**Boris Pioline**(Paris) – Progress on hypermultiplet moduli spaces - 14 January 2010, 4:15pm, DESY, building 2a, seminar room 2:
**Krzysztof Gawedzki**(Lyon) – Gerbes and field theory - 3 December 2009, 4:15pm, DESY, building 61, lecture hall:
**Catharina Stroppel**(Bonn) – A combinatorial construction of the fusion algebra and quantum cohomology - 19 November 2009, 4:15pm, Geomatikum, lecture hall H2:
**Eric Opdam**(Amsterdam) – Harmonic analysis and syntheses of Hecke algebras - 5 November 2009, 4:15pm, DESY, building 61, lecture hall:
**David Hernandez**(CNRS - Ecole Polytechnique, Palaiseau) – Langlands duality for quantum groups and categorification - 22 October 2009, 4:15pm, Geomatikum, lecture hall H2:
**Thierry Barbot**(Avignon) – Spacetimes of constant curvature - 16 July 2009, 4:15pm, DESY, seminar room 2:
**A. Klemm**(Bonn) – Integrability in N=2 Gauge Theory with Matter - 2 July 2009, 4:15pm, Geomatikum, lecture thaetre H2:
**A. Neitzke**(Harvard) – BPS Wall-Crossing and Hyperkahler Geometry - 18 June 2009, 4:15pm, DESY, seminar room 2:
**Hendryk Pfeiffer**(UBC) – Reconstructing algebras from monoidal categories - 28 May 2009, 4:15pm, Geomatikum, lecture hall H2:
**A. Tomasiello**(Harvard) – Exploring the geometry of supergravity - 28 May 2009, 2:15pm, Geomatikum, lecture hall H2:
**S. Shatashvili**(Trinity College Dublin) – Superpotentials and Yang's functions - 14 May 2009, 4:15pm, DESY, seminar room 2:
**V. Fock**(Strasbourg) – Higher Teichm - 30 April 2009, 4:15pm, Geomatikum, lecture hall H2:
**C. Voisin**(IHES) – Hodge theory and cohomology algebras of Kaehler and complex projective manifolds - 16 April 2009, 4:15pm, DESY, seminar room 2:
**B. Siebert**(Hamburg) – A toolkit for Calabi-Yau and related geometries - 5 February 2009, 4:15pm, DESY, building 61, lecture hall:
**D. Ben-Zvi**(Texas) – Topological Field Theory and Representation Theory - 22 January 2009, 4:15pm, Geomatikum, lecture hall H2:
**W. Mueller**(Bonn) – Spectral theory on locally symmetric spaces and automorphic forms - 8 January 2009, 4:15pm, DESY, building 61, lecture hall: Kluemper Methods and scope of investigations of integrable quantum systems at finite temperature
- 18 December 2008, 4:15pm, DESY, building 61, lecture hall:
**A. Frabetti**(Lyon) – Hopf algebras and Phi^3 renormalization factors - 4 December 2008, 4:15pm, Geomatikum, lecture hall H2:
**W. Soergel**(Freiburg) – Lokalisierung von Darstellungen - 20 November 2008, 4:15pm, DESY, seminar room 2:
**Johannes Walcher**(CERN) – The Real Topological String - 6 November 2008, 4:15pm, Geomatikum, lecture hall H2:
**W. van Suijlekom**(Nijmegen) – Renormalization Hopf algebras and BRST-symmetries - 23 October 2008, 4:15pm, DESY, building 61, lecture hall:
**Frank Reidegeld**(Hamburg) – Spin(7)-manifolds of cohomogeneity one - 3 July 2008, 4:15pm, Geomatikum, lecture hall H2:
**Martin Guest**(Tokyo) – From Quantum Cohomology to Integrable Systems - 5 June 2008, 4:15pm, Geomatikum, lecture hall H2:
**Jochen Brüning**(Berlin) – Index theorems for singular Dirac operators - 22 May 2008, 4:15pm, DESY, seminar room 2:
**Bertrand Eynard**(Gif-sur-Yvette) – Symplectic invariants of spectral curves and their applications to enumerative geometry - 8 May 2008, 4:15pm, Geomatikum, lecture hall H2:
**Urs Schreiber**(Hamburg) – Lie n-algebroids and the BRST complex - 17 April 2008, 4:15pm, DESY, seminar room 2:
**Anton Alekseev**– The Kashiwara-Vergne conjecture and Drinfeld's associators - 17 January 2008, 4:15pm, DESY, seminar room 2:
**Katrin Wendland**(Augsburg) – Geometry and beyond for K3 and one of its higher dimensional cousins - 20 December 2007, 4:15pm, Geomatikum, lecture hall H2:
**Martin Zirnbauer**(Köln) – Riemannian symmetric superspaces and how they arise in random matrix theory - 22 November 2007, 4:15pm, Geomatikum, lecture hall H2:
**Andrew Swann**(Odense) – Twists, torsion and T-duality - 8 November 2007, 4:15pm, DESY, seminar room 2:
**Matthias Schwarz**(Leipzig) – String Topology and Floer Homology - 25 October 2007, 4:15pm, Geomatikum, lecture hall H2:
**Daniel Stevenson**(Hamburg) – The WZW action and its relation to gerbes with connection on Lie groups - 28 June 2007, 4:15pm, Geomatikum, lecture hall H2:
**Walter Freyn**(Augsburg) – Kac-Moody symmetric spaces - 24 May 2007, 4:15pm, Geomatikum, lecture hall H2:
**Gerd Laures**(Bochum) – Elliptic Cohomology: Old and New - 10 May 2007, 4:15pm, DESY, seminar room 2:
**Alexei Semikhatov**– Models of logarithmic CFT: how far can we go with representation theory? - 12 April 2007, 4:15pm, Geomatikum, lecture hall H2:
**Lorenz Schwachhöfer**(Dortmund) – Manifolds with large isometry group and lower curvature bounds - 1 February 2007, 4:15pm, Geomatikum, lecture hall H2:
**Gerhard Huisken**(MPI Golm) – Unifomisation theorems via the heat equation - 1 February 2007, 2:15pm, Geomatikum; lecture hall H2:
**Frank Klinker**(Dortmund) – A geometric SUSY-representation on deformed supermanifolds - 18 January 2007, 4:15pm, DESY, seminar room 2:
**Jean-Marc Schlenker**(Toulouse) – From earthquakes to black holes - 7 December 2006, 4:15pm, DESY, seminar room 2:
**Vladimir Fock**– Cluster description of Poisson-Lie groups - 16 November 2006, 4:15pm, Geomatikum, lecture hall H2:
**Christian Bär**(University of Potsdam) – Path integrals on manifolds via finite dimensional approximation - 9 November 2006, 4:15pm, Geomatikum, room 241:
**Simon Willerton**(Sheffield) – Topological quantum field theory and gerbes - 13 July 2006, 4:15pm, Geomatikum, lecture hall H3:
**Thomas Mohaupt**(Liverpool) – Black hole partition functions, strings and duality - 29 June 2006, 4:15pm, DESY, seminar room 2:
**Alexei Bondal**(Steklov Institute, Moskow) – Integrable systems related to bilinear forms - 15 June 2006, 4:15pm, Geomatikum, lecture hall H3:
**Jean-Baptiste Butruille**(Ecole Polytechnique) – Nearly Kähler manifolds and 3-symmetric spaces - 1 June 2006, 4:15pm, DESY, seminar room 2:
**Mathai Varghese**(Adelaide) – T-duality via noncommutative geometry - 4 May 2006, 4:15pm, DESY, seminar room 2:
**Frederik Witt**(Ecole Polytechnique) – Generalised G-structures, variational principles and type II supergravity - 20 April 2006, 4:15pm, Geomatikum, room 241:
**Daniel Huybrechts**(Bonn) – Stability and derived categories