Thematic program "L2-invariants and their analogues in positive characteristic"  

Instituto de Ciencias Matemáticas. Madrid, Spain   

February 19 - June 15, 2018   






icmat




icmat
Instituto de Ciencias Matemáticas
C/ Nicolás Cabrera, 13-15
  Campus Cantoblanco - UAM
  28049 Madrid, Spain
  www.icmat.es
  Telephone: +34 91 2999700




 

Workshop (Orange room)

 


Preliminary schedule


Monday, June 4

9:15      Bus from the hotel "La Residencia de Estudiantes" to the ICMAT

10:00 - 10:15   Registration
10:15 - 11:15   Roman Sauer, Volume vs l²-Betti numbers  slides
11:15 - 11:45   Coffee break
11:45 - 12:45   Mikolaj Fraczyk, Benjamini Schramm convergence of arithmetic locally symmetric spaces - Video
12:45 - 15:00   Lunch break
15:00 - 16:00   Ben Hayes,  Independence tuples and Deninger's problem - Video
16:00 - 16:30   Coffee break
16:30 - 17:30   Holger Kammeyer, Profiniteness questions for l²-Betti numbers of S-arithmetic groups - Video

18:00   Bus from the ICMAT to the hotel "La Residencia de Estudiantes"

Tuesday, June 5

9:15      Bus from the hotel "La Residencia de Estudiantes" to the ICMAT

10:15 - 11:15   Stefaan Vaes, Bernoulli actions of type III and l²-cohomology  slides - Video
11:15 - 11:45   Coffee break
11:45 - 12:45   Steffen Kionke, p-adic limits of Betti numbers - Video
12:45 - 15:00   Lunch break
15:00 - 16:00   Mikhail Ershov, On finiteness properties of subgroups of Aut(F_n) - Video
16:00 - 16:30   Coffee break
16:30 - 17:30   Thang Le, Growth of torsion homology of 3-manifolds

18:00   Bus from the ICMAT to the hotel "La Residencia de Estudiantes"

Wednesday, June 6

9:15      Bus from the hotel "La Residencia de Estudiantes" to the ICMAT

10:15 - 11:15   Matt Clay, L²-torsion for free-by-cyclic groups - Video
11:15 - 11:45   Coffee break
11:45 - 12:45   Andrei Jaikin, The Hanna Neumann conjecture for non-abelian surface groups - Video

13:00   Bus from the ICMAT to the restaurant of conference banquet

13:30   Confererence banquet at the restaurant Ex Libris

Thursday, June 7

9:15      Bus from the hotel "La Residencia de Estudiantes" to the ICMAT

10:15 - 11:15   Gabor Elek,  Topological Lueck approximation theorems - Video
11:15 - 11:45   Coffee break
11:45 - 12:45   Hanfeng Li, Relative Sylvester rank functions - Video
12:45 - 15:00   Lunch break
15:00 - 16:00   Uri Bader, Group invariants from group couplings - Video
16:00 - 16:30   Coffee break
16:30 - 17:30   David Kerr, Approximate invariance, property Gamma, and topological dynamics

18:00   Bus from the ICMAT to the hotel "La Residencia de Estudiantes"

Friday, June 8    

9:15      Bus from the hotel "La Residencia de Estudiantes" to the ICMAT

10:15 - 11:15   Jean Raimbault, Profinite invariants of arithmetic lattices - Video
11:15 - 11:45   Coffee break
11:45 - 12:45   Brandon Seward, L²-Betti numbers and the Juzvinskii addition formula - Video
12:45 - 15:00   Lunch





 Scientific committee:

Miklos Abert
(Alfred Renyi Institute of Mathematics)
Andrei Jaikin
(UAM-ICMAT)
Wolfgang Lück
(Hausdor Research Institute for Mathematics, Bonn University)
Mark Sapir
(Vanderbilt University)
Andreas Thom
(TU Dresden)

 Local committee:

Yago Antolin
(UAM-ICMAT)
Julio Aroca
(CSIC-ICMAT)
Javier Aramayona
(UAM-ICMAT)
Andrei Jaikin
(UAM-ICMAT)
Diego López
(UAM-ICMAT)

 Contact:
   l2invariants2018@icmat.es
















 

 

 

 


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