t> Low degree cohomologies of congruence groups-天津大学数学学院

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Seminars_raw

Low degree cohomologies of congruence groups

2019-04-06 00:00

Speaker: Sun Binyong

unit:

Time: 2019-04-11 16:30-17:30

Venue: Room 111, Center for Applied Mathematics

starttime: 2019-04-11 16:30-17:30

Profile:


Theme：
Low degree cohomologies of congruence groups
Time：
2019-04-11 16:30-17:30
Venue：
Room 111, Center for Applied Mathematics
Speaker：
Sun Binyong

Abstract


 
      The cohomology of an aspherical space equals the cohomology of the corresponding fundamental group. For congruence groups such as GL(n, Z),  we determine its low degree  cohomologies (with complex coefficients). Our method is analytic and representatoin theoretic.  Basic theory of continuous cohomologies will be reviewed. This is a joint work with Jian-Shu Li.


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