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Trees, lattices and simple groups

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Check in the VVZ for a current information.
Professors Marc Burger
Alessandra Iozzi
Time Wednesdays 1pm-3pm, Thursdays from 10am-12am
Place HWZ on Wednesdays and HG G 19.2 on Thursdays
First meeting Wednesday, Sept. 26

Schedule

Week Date Speaker Content Notes
Week 1 Sept. 26
(HWZ)
M. Burger Introduction and Overview  
Week 2 Oct. 3
(HWZ)
A. Iozzi Property T, as a property of unitary representations of a locally compact group, and as a fixed point property.  
Week 3 Wed. Oct. 10
(HWZ)
S. Tornier and
W. Lederle
Basic machinery of continuous cohomology of locally compact groups with unitary coefficients; Eckmann-Shapiro-Blanc theorem relating continuous cohomology of a subgroup with the continuous cohomology of the appropriately induced module; Shalom's theorem to the effect that if a group has non-vanishing H^1 for some unitary coefficients, then it has non-vanishing reduced H^1 for some possibly different unitary coefficients; Kunneth formula for reduced cohomology in degree 1.
Part I
 
  Th. Oct. 11
(HG G 19.2)
M. Burger Second part of the introduction. This part will focus more on the tree part of the seminar, that is, on the papers below.  
Week 4 Wed. Oct. 17
(HWZ)
S. Tornier and
W. Lederle
Part II  
  Th. Oct. 18 No meeting    
Week 5 Wed. Oct. 24
(HWZ)
S. Tornier and
W. Lederle
Part III  
  Th. Oct. 25
(HG G 19.2)
P. Rolli and
B. Pozzetti
§ 1.1, 1.2, 1.3 and 1.4 of GAT  
Week 6 Wed. Oct 31
(HWZ)
C. Burrin and
B. Pozzetti
Amenability  
  Th. Nov. 1
(HG G 19.2)
P. Rolli and
B. Pozzetti
§ 1.1, 1.2, 1.3 and 1.4 of GAT, Part II  
Week 7 Wed. Nov. 7
(HWZ)
C. Burrin and
B. Pozzetti
Amenability, Part II  
  Th. Nov. 8
(HG G 19.2)
N. Fullarton § 2 of LPT  
Week 8 Wed. Nov. 14th
(HWZ)
B. Pozzetti Margulis' factor theorem  
  Th. Nov. 15th
(HG G19.2)
B. Pozzetti Proofs in § 1.4 of GAT  
Week 9 Wed. Nov. 21st
(HWZ)
M. Burger Debriefing (temporary)  
  Th. Nov. 22nd
(HG G 19.2)
P. Rolli More on the graph of diagonals  
Week 10 Wed. Dec. 5th
(HWZ)
     
  Th. Dec. 6th
(HG G 19.2)
     
Week 11 Wed. Dec. 12th
(HWZ)
     
  Th. Dec. 13th
(HG G 19.2)
     
Week 12 Wed. Dec. 19th
(HZW)
     
  Th. Dec. 20th
(HG G 19.2)
     

References

 

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© 2016 Mathematics Department | Imprint | Disclaimer | 20 November 2012
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