Department of Mathematics

Geometric Group Theory

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Organizer Prof. Alessandra Iozzi, Prof. Marc Burger, Prof. Urs Lang
Time Wednesdays 10am-1pm
Place HG G 19.2
Description Participants present and discuss a paper/topic of their choice over two or three sessions


Date Speaker What about References
September 25 Pascal Rolli Mineyev's recent proof of the Hanna Neumann Conjecture  
October 2 Pascal Rolli Continuation; featuring leafages, veins and Γ-forests.  
October 9 Alessandro Sisto Mapping class groups, the curve complex and its connectedness.  
October 16 Alessandro Sisto The curve complex is hyperbolic for genus at least 2, following Hensel-Przytycki-Webb.  
October 23 Benjamin Miesch Criterion for Cannon's conjecture recently published by Vladimir Markovic. Benjamin's master thesis
October 30 Benjamin Miesch Cannon's conjecture continued.  
November 6
in HG E21
John MacKay Cheeger-Kleiner's proof that the Heisenberg group does not bi-Lipschitz embed into L^1, and why that's interesting  
November 13 Carlos Alberto de la Cruz Mengual Shalom-Tao's qualitative proof of Gromov's polynomial growth theorem Hand-out
November 20 Carlos Alberto de la Cruz Mengual Second part  
November 27 Carlos Alberto de la Cruz Mengual Third part  
December 4 Stephan Tornier Hilbert fifth problem  
December 11 Stephan Tornier Second part  

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