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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Computing Kazhdan constants by computer.

## Computing Kazhdan constants by computer.Add to your list(s) Download to your calendar using vCal - Koji Fujiwara (Kyoto University)
- Thursday 09 March 2017, 11:00-12:00
- Seminar Room 2, Newton Institute.
If you have a question about this talk, please contact info@newton.ac.uk. NPC - Non-positive curvature group actions and cohomology Ozawa found a new characterization of property (T) of finitely generated groups. His theorem gives an algorithm to compute a lower bound of the Kazhdan constant. Netzer-Thom actually found a good positive lower bound for SL(3,Z). I will report on computer experiments on other examples. We found good lower bounds for lattice groups on A2-tilde buildings, which have property (T). This is an experimental math talk. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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