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Hyperbolic actions and 2nd bounded cohomology of subgroups of Out(Fn)

Presenter
October 27, 2016
MSRI
Keywords:
  • Out(Fn)
  • Bounded Cohomology
  • quasi-morphism
  • WPD
MSC:
  • 20E36
  • 20E05
  • 20-xx
  • 20F65
  • 57-xx
  • 57M07
Hyperbolic actions and 2nd bounded cohomology of subgroups of Out(Fn) Thumbnail
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Abstract
We show that finitely generated subgroups of Out(Fn) which are not virtually abelian have infinitely generated second bounded cohomology
Abstract
Supplementary Materials