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2022-T2 Groups acting on fractals, hyperbolicity and self-similarity.

Groups acting on fractals, hyperbolicity and self-similarity, Paris

Amphitheater Darboux
11, Rue Pierre et Marie Curie
75005 Paris

Thematic trimester program at Institut Henri Poincaré, Paris

Groups acting on fractals, hyperbolicity and self-similarity

April 11th to July 8th, 2022


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Program : 


First week  -- April 11th to 15th, 2022 CIRM Introductory School (Marseille) 


IHP Program : 19-22 April,  
Mini-course "Projection complexes and applications to mapping class groups" by M. Bestvina.  
Tuesday 2pm, Wednesday 2pm, Friday 10am,  Live at
Recordings.  -Lecture 1-  -Lecture 2- - Lecture 3 - (no sound for 11’ in lecture 3)


--  April 25th to 29th, 2022: Conference Mapping class groups and Out(Fn) (IHP, Paris)


IHP Program : 2-13 may,  
Mini-course "Random walks on Grigorchuk groups and growth estimates",  by T. Zheng.
Tuesdays 2pm, Wednesdays 2pm, Live at


IHP Program : 16-20 may,
Mini-course "Hyperbolic groupoids" by V. Nekrashevych.
Tuesday 2pm, Wednesday 2pm, Friday 10am, Live at

IHP Program : 23-27 may, 
Mini-course  (title to be announced) by D. Osin.
Tuesday 2pm, Wednesday 2pm, Friday 10am, Live at

--  May 30th to June 3rd, 2022:  Conference Self-similarity of groups, trees and fractals (IHP, Paris).


IHP Program : 7-17 June, 
Mini-course by J. Mackay.
Tuesdays 2pm, Wednesdays 2pm,  Live at

--  June 20th to 24th, 2022 : Conference  Hyperbolic groups and their generalisations (IHP, Paris).


IHP Program : 27 June-8 July, TBA. 


Comité d’organisation scientifique :

  • François Dahmani (Université Grenoble Alpes)
  • Anna Erschler (ENS Paris)
  • Camille Horbez (Université Paris Saclay)
  • Dani Wise (McGill University)