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This workshop is the opening workshop of the CNRS-JSPS project « Cohomological study of mapping class groups and related topics » .

Organizers: Nariya Kawazumi (Tokyo) and Christine Vespa (Strasbourg)

Invited speakers :

  • Jacques Darné (Unviersité de Lille)
  • Aurélien Djament (CNRS - Université de Lille)
  • Tsukasa Ishibashi (University of Tokyo)
  • Manuel Krannich (University of Copenhagen)
  • Yuta Nozaki (University of Tokyo)
  • Martin Palmer (University of Bonn)
  • Dan Petersen (Stockholms Universitet)
  • Takuya Sakasai (University of Tokyo)
  • Masatoshi Sato (Tokyo Denki University)
  • Arthur Soulié (Université de Strasbourg)
  • Shunsuke Tsuji (Kyoto University / JSPS)
  • Anderson Vera (Université de Strasbourg)

Venue : Conference Room, IRMA building, University of Strasbourg.

There will be research talks, which will be followed by informal discussions on the subject.

Résumés des interventions :

This workshop is supported by JSPS Grant-in-Aid for Scientific Research (B) 26287006.

For practical matters and other questions please contact Christine Vespa.

  • Lundi 10 septembre 2018

  • 09:30

    Accueil
  • 10:00

    Yuta Nozaki, University of Tokyo

    An invariant of 3-manifolds via homology cobordisms

  • 11:00

    Arthur Soulié, Université de Strasbourg

    Stable homology and mapping class groups.

  • 14:00

    Tsukasa Ishibashi, University of Tokyo

    Cluster realizations of Coxeter groups and higher Teichmuller theory

  • 15:30

    Aurélien Djament, CNRS - Université de Lille

    Stable homology of automorphism groups of free groups with twisted coefficients

  • Mardi 11 septembre 2018

  • 09:30

    Manuel Krannich, University of Copenhagen)

    Topological moduli spaces, $E_2$-algebras, and homological stability

  • 11:00

    Shunsuke Tsuji, Kyoto University / JSPS

    Formulas for the actions of Dehn twists on skein algebras and their applications

  • 14:00

    Anderson Vera, Université de Strasbourg

    Johnson type homomorphisms and the LMO functor

  • 15:30

    Jacques Darné, Université de Lille

    The Andreadakis problem for some subgroups of $Aut(F_n)$

  • Mercredi 12 septembre 2018

  • 10:00

    Masatoshi Sato, Tokyo Denki University

    On the rational homology group of the genus three handlebody mapping class group

  • 11:00

    Dan Petersen, Stockholms Universitet

    Tautological rings with twisted coefficients

  • 14:00

    Martin Palmer, University of Bonn

    Homological stability for symmetric diffeomorphism groups and parametrised connected sum

  • 15:30

    Takuya Sakasai, University of Tokyo

    Computations on Johnson homomorphisms