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Seminario teoría de grupos UAM-ICMAT

Seminario teoría de grupos UAM-ICMAT 

Chirs Leininger

(University of Illinois at Urbana-Champaign)

"Word-hyperbolic surface bundles"

14:30, Aula 520, UAM

jueves 25 de enero de 2018

Resumen: The work of Farb-Mosher and Hamenstadt provides a necessary and sufficient condition for the fundamental group of a closed surface bundle over any compact space to be word-hyperbolic.  The condition is geometric in nature, involving the monodromy homomorphism and the action on Teichmuller space. Gromov's hyperbolization question, in the special case of surface bundles, asks whether the condition on the action can be relaxed to a topological one.  In this talk I will discuss this problem, and some joint work with Bestvina, Bromberg, and Kent providing results in this direction.

Localización 14:30, Aula 520, UAM jueves 25 de enero de 2018
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