GDO Seminar List
for period 3 January to 26 April 2013
| Tuesday 08 January | ||
| 10:00-11:00 | Jones, J (University of Warwick) | |
| Deformation theory | Sem 2 | |
| 11:30-12:30 | Vallette, B (Université de Nice Sophia Antipolis) | |
| Operads | Sem 2 | |
| 14:00-15:00 | Lochak, P (Institut de Mathématiques de Jussieu) | |
| Grothendieck-Teichmüller theory | Sem 2 | |
| 15:30-16:30 | Gangl, H (Durham University) | |
| Multiple Zeta Values | Sem 2 | |
| Wednesday 09 January | ||
| 10:00-11:00 | Bar-Natan, D (University of Toronto) | |
| Braids and the Grothendieck-Teichmuller Group | Sem 2 | |
| 11:30-12:30 | Nakamura, H (Okayama University) | |
| Arithmetic and topological problems in universal monodromy representation of Galois-Teichmueller groups | Sem 2 | |
| 14:00-15:00 | Furusho, H (Nagoya University) | |
| p-adic multiple zeta values | Sem 2 | |
| 15:30-16:30 | Moerdijk, I (Radboud Universiteit Nijmegen) | |
| The Boardman-Vogt resolution and algebras up-to-homotopy | Sem 2 | |
| Thursday 10 January | ||
| 10:00-11:00 | Brown, F (IHES) | |
| Periods | Sem 2 | |
| 11:30-12:30 | Dotsenko, V (Trinity College Dublin) | |
| Shuffle operads | Sem 2 | |
| 14:00-15:00 | Hess, K (EPFL - Ecole Polytechnique Fédérale de Lausanne) | |
| Operads and their (bi)modules in topology | Sem 2 | |
| 15:30-16:30 | Merkulov, S (Stockholm University) | |
| A line in the plane and the Grothendieck-Teichmueller group | Sem 2 | |
| Tuesday 15 January | ||
| 14:00-17:00 | Merkulov, S (Stockholm University) | |
| Grothendieck-Teichmüller groups, graph complexes and deformation quantization (Informal talk) | Sem 1 | |
| Wednesday 16 January | ||
| 10:30-12:00 | Vallette, B (Université de Nice Sophia Antipolis) | |
| Operads: definition, examples and first properties | Sem 1 | |
| 14:00-15:30 | Vallette, B (Université de Nice Sophia Antipolis) | |
| Koszul duality theory for algebras | Sem 1 | |
| 16:00-17:30 | Vallette, B (Université de Nice Sophia Antipolis) | |
| Operads: exercise session | Sem 1 | |
| Thursday 17 January | ||
| 14:00-16:00 | Bar-Natan, D (University of Toronto) | |
| Meta-Groups, Meta-Bicrossed-Products, and the Alexander Polynomial | Sem 1 | |
| Tuesday 22 January | ||
| 14:00-15:00 | Moerdijk, I (Radboud Universiteit Nijmegen) | |
| Dendroidal sets and infinity-operads I | Sem 2 | |
| 15:00-16:00 | Moerdijk, I (Radboud Universiteit Nijmegen) | |
| Dendroidal sets and infinity-operads II | Sem 2 | |
| Wednesday 23 January | ||
| 10:30-12:00 | Vallette, B (Université de Nice Sophia Antipolis) | |
| Koszul duality theory for operads | Sem 1 | |
| 14:00-15:30 | Vallette, B (Université de Nice Sophia Antipolis) | |
| Methods for Koszul duality | Sem 1 | |
| 16:00-17:30 | Vallette, B (Université de Nice Sophia Antipolis) | |
| Operads: exercise session | Sem 1 | |
| Thursday 24 January | ||
| 14:00-15:00 | Cartier , P (IHES) | |
| Morita equivalence, Tannakian categories and motivic periods I | Sem 1 | |
| 15:00-16:00 | Cartier, P (IHES) | |
| Morita equivalence, Tannakian categories and motivic periods II | Sem 1 | |
| Tuesday 29 January | ||
| 14:00-15:00 | Moerdijk, I (Radboud Universiteit Nijmegen) | |
| Dendroidal sets and infinity-operads III | Sem 2 | |
| 15:00-16:00 | Moerdijk, I (Radboud Universiteit Nijmegen) | |
| Dendroidal sets and infinity-operads IV | Sem 2 | |
| Wednesday 30 January | ||
| 10:30-12:00 | Vallette, B (Université de Nice Sophia Antipolis) | |
| Homotopy algebras | Sem 1 | |
| 14:00-15:30 | Vallette, B (Université de Nice Sophia Antipolis) | |
| (Co)homology theories and deformation theory | Sem 1 | |
| 16:00-17:30 | Vallette, B (Université de Nice Sophia Antipolis) | |
| Operads: exercise session | Sem 1 | |
| Thursday 31 January | ||
| 14:00-15:00 | Chapoton, F (Université Claude Bernard Lyon 1) | |
| Tree-indexed series, theory and examples I | Sem 1 | |
| 15:00-16:00 | Chapoton, F (Université Claude Bernard Lyon 1) | |
| Tree-indexed series, theory and examples II | Sem 1 | |
| Tuesday 05 February | ||
| 10:30-12:00 | Jones, J (University of Warwick) | |
| The Hochschild cochain complex, operads, and the Deligne conjecture I | Sem 1 | |
| 14:00-15:30 | Jones, J (University of Warwick) | |
| The Hochschild cochain complex, operads, and the Deligne conjecture II | Sem 1 | |
| 16:00-17:30 | Jones, J (University of Warwick) | |
| Deformation theory: exercise session | Sem 1 | |
| Wednesday 06 February | ||
| 10:30-12:00 | Lochak, P, Schneps, L (Institut de Mathématiques de Jussieu) | |
| A brief introduction to the etale fundamental group and to the Galois action | Sem 1 | |
| 14:00-15:30 | Lochak, P, Schneps, L (Institut de Mathématiques de Jussieu) | |
| Profinite braid groups; first appearance of GT | Sem 1 | |
| 16:00-17:30 | Lochak, P, Schneps, L (Institut de Mathématiques de Jussieu) | |
| Special Topic: Belyi Theorem and dessins d'enfants | Sem 1 | |
| Thursday 07 February | ||
| 14:00-15:00 | Shadrin, S (Universiteit van Amsterdam) | |
| Hypercommutative algebras, Batalin-Vilkovisky algebras, and Givental group I | Sem 1 | |
| 15:00-16:00 | Shadrin, S (Universiteit van Amsterdam) | |
| Hypercommutative algebras, Batalin-Vilkovisky algebras, and Givental group II | Sem 1 | |
| Friday 08 February | ||
| 10:30-12:00 | Moerdijk, I (Radboud Universiteit Nijmegen) | |
| Dendroidal sets and infinity-operads III | Sem 1 | |
| Tuesday 12 February | ||
| 10:30-12:00 | Calaque, D (ETH Zurich, Switzerland) | |
| Formality, obstructions to formality, and a key argument in the proof of the formality conjecture I | Sem 1 | |
| 14:00-15:30 | Vallette, B (ETH Zurich, Switzerland) | |
| Formality, obstructions to formality, and a key argument in the proof of the formality conjecture II | Sem 1 | |
| 16:00-17:30 | Calaque, D (ETH Zurich, Switzerland) | |
| Deformation theory: exercise session | Sem 1 | |
| Wednesday 13 February | ||
| 10:30-12:00 | Lochak, P, Schneps, L (Institut de Mathématiques de Jussieu) | |
| Deforming braided categories and a useful dictionary | Sem 1 | |
| 14:00-15:30 | Schneps, L, Lochak, P (Institut de Mathématiques de Jussieu) | |
| Infinitesimal braid and the Lie algebra of (the prounipotent version of) GT | Sem 1 | |
| 16:00-17:30 | Lochak, P, Schneps, L (Institut de Mathématiques de Jussieu) | |
| Special Topic: Associator relations satisfy double shuffle (H. Furusho) | Sem 1 | |
| Thursday 14 February | ||
| 14:00-16:00 | Felder, G (ETH Zürich) | |
| The classical master equation | Sem 1 | |
| Tuesday 19 February | ||
| 10:30-12:00 | Jones, J (University of Warwick) | |
| Etingof - Kazhdan quantization of Lie bialgebras I | Sem 1 | |
| 14:00-15:30 | Jones, J (University of Warwick) | |
| Etingof - Kazhdan quantization of Lie bialgebras II | Sem 1 | |
| 16:00-17:30 | Jones, J (University of Warwick ) | |
| Deformation theory: exercise session | Sem 1 | |
| Wednesday 20 February | ||
| 10:30-12:00 | Lochak, P, Schneps, L (Institut de Mathématiques de Jussieu) | |
| Moduli spaces of curves, curve complexes | Sem 1 | |
| 14:00-15:30 | Lochak, P, Schneps, L (Institut de Mathématiques de Jussieu) | |
| The Teichmueller lego | Sem 1 | |
| 16:00-17:30 | Lochak, P, Schneps, L (Institut de Mathématiques de Jussieu) | |
| Special Topic: Origamis | Sem 1 | |
| Thursday 21 February | ||
| 14:00-16:00 | Calaque, D (ETH Zurich, Switzerland) | |
| Factorization algebras and formality theorems I | Sem 1 | |
| 16:00-17:00 | Calaque, D (ETH Zurich, Switzerland) | |
| Factorization algebras and formality theorems II | Sem 1 | |
| Tuesday 26 February | ||
| 10:30-12:00 | Calaque, D (ETH Zürich) | |
| From associators to the Kashiwara-Vergne conjecture I (after Alekseev-Torossian) | Sem 1 | |
| 14:00-15:30 | Calaque, D (ETH Zürich) | |
| From associators to the Kashiwara-Vergne conjecture II (after Alekseev-Enriquez-Torossian) | Sem 1 | |
| 16:00-17:30 | Calaque, D (ETH Zürich) | |
| Deformation theory: exercise session | Sem 1 | |
| Wednesday 27 February | ||
| 10:30-12:00 | Schneps, L, Lochak, P (Institut de Mathématiques de Jussieu) | |
| Lie algebras I | Sem 1 | |
| 14:00-15:30 | Schneps, L, Lochak , P (Institut de Mathématiques de Jussieu) | |
| Lie algebras II | Sem 1 | |
| 16:00-17:30 | Schneps, L, Lochak, P (Institut de Mathématiques de Jussieu) | |
| Special Topic: tba | Sem 1 | |
| Thursday 28 February | ||
| 10:30-12:00 | Jones, J (University of Warwick) | |
| Proof of the Deligne conjecture after McClure-Smith | Sem 2 | |
| 14:00-16:00 | Randal-Williams , O (University of Cambridge) | |
| Cohomology of braid groups and mapping class groups I | Sem 1 | |
| 16:30-17:00 | Randal-Williams , O (University of Cambridge) | |
| Cohomology of braid groups and mapping class groups II | Sem 1 | |
| Tuesday 05 March | ||
| 14:00-15:15 | Fresse, B (Université Lille 1) | |
| Introduction to E_n-operads and little discs operads (mini-course) | Sem 2 | |
| 15:45-17:00 | Fresse, B (Université Lille 1) | |
| Homotopy automorphisms of operads in topological spaces (mini-course) | Sem 2 | |
| Wednesday 06 March | ||
| 10:30-12:00 | Brown, F (IHES) | |
| Iterated integrals and de Rham fundamental group of P^1 minus 3 points | Sem 1 | |
| 14:00-15:30 | Brown, F (Institut de Mathématiques de Jussieu) | |
| Malcev completion and Betti fundamental group of P^1 minus 3 points | Sem 1 | |
| 16:00-17:30 | Brown, F (Institut de Mathématiques de Jussieu) | |
| Discussion Session | Sem 1 | |
| Thursday 07 March | ||
| 14:00-16:00 | Pirashvili, T (University of Leicester) | |
| Polynomial functors on free groups | Sem 1 | |
| Tuesday 12 March | ||
| 14:00-15:15 | Fresse, B (Université Lille 1) | |
| The rational homotopy theory of spaces (mini-course) | Sem 2 | |
| 15:45-17:00 | Fresse, B (Université Lille 1) | |
| The rational homotopy theory of operads (mini-course) | Sem 2 | |
| Wednesday 13 March | ||
| 10:30-12:00 | Brown, F (IHES) | |
| The Ihara action on the motivic fundamental group of P^1 minus 3 points | Sem 1 | |
| 14:00-15:30 | Brown, F (Institut de Mathématiques de Jussieu) | |
| Motivic multiple zeta values and Galois coaction | Sem 1 | |
| 16:00-17:30 | Brown, F (Institut de Mathématiques de Jussieu) | |
| Discussion Session | Sem 1 | |
| Thursday 14 March | ||
| 10:30-12:00 | Kaufmann, R (Purdue University) | |
| Arcs as an effective model | Sem 2 | |
| 14:00-15:00 | Terasoma, T (University of Tokyo) | |
| Brown-Zagier relation for associators: I | Sem 1 | |
| 15:00-16:00 | Terasoma, T (University of Tokyo) | |
| Brown-Zagier relation for associators: II | Sem 1 | |
| Tuesday 19 March | ||
| 14:00-16:00 | Spitzweck, M (Universität Osnabrück) | |
| The abelian category of mixed Tate motives with integer coefficients | Sem 2 | |
| Wednesday 20 March | ||
| 10:30-12:00 | Gangl, H (University of Durham) | |
| Relations among Multiple Zeta Values I | Sem 2 | |
| 14:00-15:30 | Gangl, H (University of Durham) | |
| Double Zeta Values and Modular Forms | Sem 2 | |
| 16:00-17:30 | Gangl, H (University of Durham) | |
| Multiple Zeta Values: discussion session | Sem 2 | |
| Thursday 21 March | ||
| 14:00-16:00 | Kaufmann, R (Purdue University) | |
| Feynman categories | Sem 2 | |
| Tuesday 26 March | ||
| 10:30-12:00 | Ihara, K (Osaka University) | |
| Derivations for multiple zeta values | Sem 2 | |
| Wednesday 27 March | ||
| 10:30-12:00 | Zagier, D (Max-Planck-Institut fur Mathematik, Bonn and Collège de France, Paris) | |
| Relations among multiple zeta values II | Sem 2 | |
| Thursday 28 March | ||
| 14:00-16:00 | Ihara, K (Osaka University) | |
| Multiple L-functions of modular forms | Sem 2 | |
| Tuesday 02 April | ||
| 09:30-10:30 | Tillmann, U (University of Oxford) | |
| Homology stability for symmetric diffeomorphisms and their mapping classes | Sem 1 | |
| 11:00-12:00 | Francis, J (Northwestern University) | |
| Factorization homology of topological manifolds | Sem 1 | |
| 13:30-14:30 | Berglund, A (Stockholm University) | |
| Rational homotopy theory of automorphisms of highly connected manifolds | Sem 1 | |
| 15:00-16:00 | Roytenberg, D (Universiteit Utrecht) | |
| A Dold-Kan-type correspondence for superalgebras of differentiable functions and a "differential graded" approach to derived differential geometry | Sem 1 | |
| 16:30-17:30 | Tsygan, B (Northwestern University) | |
| Operations on Hochschild complexes, revisited | Sem 1 | |
| Wednesday 03 April | ||
| 09:30-10:30 | Cattaneo, A (Universität Zürich) | |
| Classical and quantum Lagrangian field theories on manifolds with boundaries | Sem 1 | |
| 11:00-12:00 | Severa, P (Université de Genève) | |
| Integration of differential graded manifolds | Sem 1 | |
| 13:30-14:30 | Segal, G (University of Oxford) | |
| Bott periodicity in Algebra | Sem 1 | |
| 15:00-16:00 | Hess, K (EPFL) | |
| The Boardman-Vogt tensor product of operadic bimodules | Sem 1 | |
| 16:30-17:30 | Moerdijk, I (Radboud Universiteit Nijmegen) | |
| Two models for infinity-operads | Sem 1 | |
| Thursday 04 April | ||
| 09:30-10:30 | Toën, B (Université de Montpellier 2) | |
| Symplectic and Poisson structures in the derived setting | Sem 1 | |
| 11:00-12:00 | Dotsenko, V (Trinity College Dublin) | |
| Givental action is gauge symmetry in a homotopy Lie algebra | Sem 1 | |
| 13:30-14:30 | Manin, YI (Max-Planck-Institut fur Mathematik, Bonn) | |
| Computability and Zipf's Law: operadic perspective | Sem 1 | |
| 15:00-16:00 | Pridham, JP (University of Cambridge) | |
| Strong homotopy (bi)algebras, homotopy coherent diagrams and derived deformations | Sem 1 | |
| 16:30-17:30 | Wahl, N (University of Copenhagen) | |
| Higher string topology | Sem 1 | |
| Friday 05 April | ||
| 09:30-10:30 | Getzler, E (Northwestern University) | |
| The nerve of a differential graded algebra | Sem 1 | |
| 11:00-12:00 | Willwacher, T (Harvard University) | |
| Deformations of the En-operad | Sem 1 | |
| 13:30-14:30 | Giansiracusa, J (Swansea University) | |
| Moduli spaces of geometric structures on surfaces and modular operads | Sem 1 | |
| 15:00-16:00 | Cohen, R (Stanford University) | |
| Gauge theory, loop groups, and string topology | Sem 1 | |
| Monday 08 April | ||
| 09:30-10:30 | Alekseev, A (Université de Genève) | |
| Divergence and super-divergence cocycles on the Grothendieck-Teichmueller Lie algebra | Sem 1 | |
| 11:00-12:00 | Broadhurst, DJ (Open University) | |
| Honorary MZVs and modular forms | Sem 1 | |
| 13:30-14:30 | Fresse, B (Université Lille 1) | |
| Towards higher dimensional analogues of the torsor of Drinfeld's associators | Sem 1 | |
| 15:00-16:00 | Horozov, I (Washington University in St. Louis) | |
| Multiple Dedekind Zeta Functions | Sem 1 | |
| 16:30-17:30 | Marin, I (Université d'Amiens) | |
| Associators and representations of braids | Sem 1 | |
| Tuesday 09 April | ||
| 09:30-10:30 | Hoffman, ME (U.S. Naval Academy) | |
| Multiple zeta values and quasi-symmetric functions | Sem 1 | |
| 11:00-12:00 | Ohno, Y (Kinki University) | |
| On multiple zeta-star values | Sem 1 | |
| 13:30-14:30 | Ünver, S (Koç University) | |
| Cyclotomic p-adic multi-zeta values | Sem 1 | |
| 15:00-16:00 | Joyner, S (Brandeis University) | |
| A shuffle product formula for generalized iterated integrals | Sem 1 | |
| 17:00-18:00 | Zagier, D (Max-Planck-Institut fuer Mathematik, Bonn, and Collège de France, Paris) | |
| RVP Lecture: From modular forms to finite groups | Sem 1 | |
| Wednesday 10 April | ||
| 09:00-10:00 | Hain, R (Duke University) | |
| Higher Genus Polylogarithms | Sem 1 | |
| 10:30-11:30 | Dupont, C (Institut de Mathématiques de Jussieu) | |
| The Hopf algebra of dissection polylogarithms | Sem 1 | |
| 11:45-12:45 | Pollack, A (Princeton University) | |
| Periods of modular forms and relations in the fundamental Lie algebra of Universal Mixed Elliptic Motives | Sem 1 | |
| Thursday 11 April | ||
| 09:30-10:30 | Brown, F (IHES) | |
| Anatomy of the motivic Lie algebra | Sem 1 | |
| 11:00-12:00 | Stieberger, S (Max-Planck-Institut für Physik, München) | |
| Motivic Superstring Amplitudes | Sem 1 | |
| 13:30-14:30 | Schnetz, O (Friedrich-Alexander-Universität Erlangen-Nürnberg) | |
| Proof of the zig-zag conjecture | Sem 1 | |
| 15:00-16:00 | Schlotterer , O (University of Cambridge) | |
| Polylogarithms, Multiple Zeta Values and Superstring Amplitudes | Sem 1 | |
| Friday 12 April | ||
| 09:30-10:30 | Schneps, LC (Institut de Mathématiques de Jussieu) | |
| Elliptic Grothendieck-Teichmueller theory | Sem 1 | |
| 11:00-12:00 | Hoshi, Y (Kyoto University) | |
| Grothendieck-Teichmuller Groups in the Combinatorial Anabelian Geometry | Sem 1 | |
| 13:30-14:30 | Furusho, H (Nagoya University) | |
| On multiple L-functions and their p-adic analogues | Sem 1 | |
| Thursday 18 April | ||
| 14:00-16:00 | Zagier, D (Max-Planck-Institut fur Mathematik, Bonn and College de France) | |
| Finite multiple zeta values | Sem 2 | |
| 16:00-18:00 | Enriquez, B (University of Strasbourg) | |
| A lower bound of a sub-quotient of the Lie algebra associated to Grothendieck-Teichmüller group | Sem 2 | |
| Other Seminars |
|
Seminars in the University National and International Scientific Research Meetings |