Workshop: Johnson homomorphisms and related topics 2019
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Schedule (Last modified: May 4)
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Monday, May 13
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| 10:00-11:00 | Takao Satoh (Tokyo University of Science) On the Andreadakis conjecture of the automorphism groups of free groups |
| 11:20-12:20 | Takuya Sakasai (The University of Tokyo) Johnson homomorphisms up to degree 7 |
| 12:20-14:20 | Lunch |
| 14:20-15:20 | Kazuo Habiro (RIMS, Kyoto University) Cyclic nerves of stratified categories |
| 15:40-16:40 | Yuta Nozaki (Meiji University) Finiteness of the image of the Reidemeister torsion of a splice |
Tuesday, May 14 |
| 10:00-11:00 | Jacques Darné (Université Grenoble Alpes) The Andreadakis problem and Milnor invariants of (welded) braids up to homotopy |
| 11:20-12:20 | Shunsuke Tsuji (RIMS, Kyoto University) The 4th Johnson homomorphism and the 2nd term of the Ohtsuki series |
| 12:20-14:00 | Lunch |
| 14:00-15:00 | Jae Choon Cha (POSTECH) Transfinite lower central series and Milnor invariants of 3-manifolds |
| 15:20-16:20 | Luis Paris (Université de Bourgogne) Commensurator and commensurability of braid groups |
| 17:00-18:30 | Tuesday Seminar on Topology |
| 19:00- | Banquet |
Wednesday, May 15 |
| 10:00-11:00 | Hokuto Konno (RIKEN iTHEMS) Characteristic classes defined using 4-dimensional gauge theory |
| 11:20-12:20 | Oscar Randal-Williams (University of Cambridge) Cohomology of Torelli groups |
| Afternoon | FMSP Lectures |
Thursday, May 16 |
| 10:00-11:00 | Anderson Vera (IRMA, Université de Strasbourg) Alternative versions of the Johnson homomorphisms and the LMO functor |
| 11:20-12:20 | Hidekazu Furusho (Nagoya University) Kontsevich's eye, Lie graphs and associators |
| 12:20-14:20 | Lunch |
| 14:20-15:20 | Yuuki Tadokoro (National Institute of Technology, Kisarazu College) Pointed harmonic volume and its relation to the extended Johnson homomorphism |
| 15:40-16:40 | Martin Kassabov (Cornell University) Co-cycles in the Lie algebra of special derivations |
Friday, May 17 |
| 10:00-11:00 | Minkyoung Song (IBS Center for Geometry and Physics) Invariants of the homology cobordism group of homology cylinders |
| 11:20-12:20 | Yusuke Kuno (Tsuda University) Generalized Dehn twists on surfaces and homology cylinders |
| Afternoon | Discussion |
sakasai (at) ms.u-tokyo.ac.jp
Takuya SAKASAI