Mapping class groups and Out(Fn)

25 avr. 2022, 08:45 → 29 avr. 2022, 18:00 Europe/Paris

Amphithéâtre Hermite (Institut Henri Poincaré)

A conference on Mapping class groups and Out(Fn) 25-29 April 2022, Paris.

Most talks will be streamed at :  http://www.ihp.fr/live 
(full window at http://omnilive.ihp.fr:8080/5e134b7d65a9611679e03407)

Find the program in the section "ordre du jour"

 

List of speakers :

- Corey Bregman (University of Southern Maine): Talk

- Matt Clay (University of Arkansas): Part 1, Part 2

- Federica Fanoni (CNRS / Université Paris-Est Créteil): Talk

- Elia Fioravanti (MPIM / Universität Bonn): Talk

- Maxime Fortier-Bourque (Université de Montréal): Talk

- Koji Fujiwara (Kyoto University): Talk

- Damien Gaboriau (CNRS / ENS Lyon): Talk

- Vincent Guirardel (Université de Rennes 1): Talk

- Radhika Gupta (Temple University): Talk

- Ursula Hamenstädt (Universität Bonn): Talk

- Sebastian Hensel (Universität München): Talk

- Dawid Kielak (University of Oxford): Talk 

- Anne Lonjou (Université Paris-Saclay): Talk

- Kathryn Mann (Cornell University)

- Yair Minsky (Yale University): Talk

- Jean Pierre Mutanguha (Institute for Advanced Study): Talk

- Piotr Przytycki (McGill University): Talk

- Alessandro Sisto (Heriot-Watt University): Talk

- Richard D. Wade (University of Oxford): Talk

 

 

Organizers : Hyungryul Baik, Mladen Bestvina, Camille Horbez, Kasra Rafi, Karen Vogtmann.

 

 

Links to recordings : 

 

25/04

Yair Minsky : 

https://omnilive.ihp.fr/62728f9780e28505ac08a02a

https://omnilive.ihp.fr/62664e60a45050640bac70d4

 

Ursula Hamenstadt :

https://omnilive.ihp.fr/62665dc2a45050640bac72ad

 

Dawid Kielak : 

https://omnilive.ihp.fr/62668e4aa45050640bac75f6

 

Radhika Gupta : 

https://omnilive.ihp.fr/62669f6ea45050640bac77a5

 

26/04

Koji Fujiwara : 

https://omnilive.ihp.fr/62728dcc80e28505ac089f61

https://omnilive.ihp.fr/62679f57a45050640bac7c2d

 

Anne Lonjou :

https://omnilive.ihp.fr/627282f880e28505ac089baa

https://omnilive.ihp.fr/6267b138a45050640bac7d3a

 

Piotr Przytycki : 

https://omnilive.ihp.fr/6267bf30a45050640bac7dbc

 

27/04

Vincent Guirardel : 

https://omnilive.ihp.fr/6268f103a45050640bac85f1

 

Corey Bregman :

https://omnilive.ihp.fr/62728d5c80e28505ac089ec4

https://omnilive.ihp.fr/62690316a45050640bac878e

 

Federica Fanoni : 

https://omnilive.ihp.fr/62691107a45050640bac87fe

 

28/04

Matt Clay : 

https://omnilive.ihp.fr/626a42c2a45050640bac8a65

https://omnilive.ihp.fr/626a48a7a45050640bac8d30

 

Richard D. Wade : 

https://omnilive.ihp.fr/626a5552a45050640bac8edb

 

Jean Pierre Mutanguha : 

https://omnilive.ihp.fr/626a88b6a45050640bac91c8

 

29/04

Sebastian Hensel : 

https://omnilive.ihp.fr/626b93a1949a960546430dfe

 

Alessandro Sisto : 

https://omnilive.ihp.fr/626ba6de949a96054643127a

 

Damien Gaboriau : 

https://omnilive.ihp.fr/62728bfa80e28505ac089dce

Abstracts.pdf

Lightning-talks-Abstracts.pdf

lundi 25 avril ¶

08:45 → 09:30 Welcome coffee

09:30 → 10:20 Skinning maps and a lost theorem of Thurston¶

Orateur: Yair Minsky

10:30 → 10:45 Welcoming word and presentation of the IHP, by Sylvie Benzoni

10:50 → 11:40 On the asymptotic geometry of the mapping class group¶

Orateur: Ursula Hamenstädt

14:00 → 14:50 Kazhdan constants for symplectic groups¶

Orateur: Dawid Kielak

14:50 → 15:15 Coffee break

15:15 → 16:05 Limit sets of unfolding paths in Outer space¶

Orateur: Radhika Gupta

16:20 → 16:50 Lightning talks - 1 (talks by Marta Lesniak, Jacob Russell, Aaron Calderon, Anna Parlak, Philippe Tranchida)¶

17:05 → 17:35 Lightning talks - 2 (talks by Sami Douba, Yassine Guerch, Antonio Lopez Neumann, Inhyeok Choi, Antoine Goldsborough)¶

mardi 26 avril ¶

09:30 → 10:20 Asymptotic dimension of the arc graphs and disk graphs¶

Orateur: Koji Fujiwara

10:20 → 10:45 Coffee break

10:45 → 11:35 Asymptotically rigid mapping class groups¶

Orateur: Anne Lonjou

11:45 → 12:35 Tits alternative for the 3-dimensional tame automorphism group¶

Orateur: Piotr Przytycki

14:30 → 15:20 A divergent horocycle in the horoboundary of the Teichmuller metric¶

Orateur: Maxime Fortier Bourque

15:20 → 15:45 Coffee break

15:45 → 16:15 Lightning talks - 3 (talks by Javier Aramayona, Yusen Long, Anja Randecker, Donggyun Seo, Edgar Bering, Thomas Ng)¶

16:30 → 17:00 Lightning talks - 4 (talks by Xabier Legaspi Juanatey, Annette Karrer, Abdul Zalloum, Sam Hughes, Davide Spriano)¶

mercredi 27 avril ¶

09:30 → 10:20 Strong Tits alternative for Out(Fn)¶

Orateur: Vincent Guirardel

10:20 → 10:45 Coffee break

10:45 → 11:35 Outer space for RAAGs¶

Orateur: Corey Bregman

11:45 → 12:35 Generating big mapping class groups¶

Orateur: Federica Fanoni

jeudi 28 avril ¶

09:30 → 10:20 Minimal volume entropy for free-by-cyclic groups¶

Orateur: Matt Clay

10:20 → 10:45 Coffee break

10:45 → 11:35 Commensurator rigidity of Aut(Fn)¶

Orateur: Ric Wade

11:45 → 12:35 Coarse-median preserving automorphisms¶

Orateur: Elia Fioravanti

14:30 → 15:20 Canonical forms for free group automorphisms¶

Orateur: Jean Pierre Mutanguha

15:20 → 15:45 Coffee break

15:45 → 16:35 Big mapping class groups and topology of end spaces¶

Orateur: Kathryn Mann

vendredi 29 avril ¶

09:30 → 10:20 Parabolics in the Fine Curve Graph¶

Orateur: Sebastian Hensel

10:20 → 10:45 Coffee break

10:45 → 11:35 Extensions of Veech groups¶

Orateur: Alessandro Sisto

11:45 → 12:35 On the homology torsion growth for mapping class groups, Out(Wn), SL_d(Z), and Artin groups¶

Orateur: Damien Gaboriau