Topology Seminar: Keiko Kawamuro

  • Date: 09/19/2012
  • Time: 15:15
Keiko Kawamuro, U Iowa

University of British Columbia


Open book foliation and fractional Dehn twist coefficient


This is joint work with Tetsuya Ito. Fractional Dehn twist coefficient (FDTC), defined by Honda-Kazez-Matic, is an invariant of mapping classes. In this talk we study FDTC by using open book foliation method, then obtain results in topology, geometry, and contact geometry of the open-book-manifold of a mapping class.

Other Information: 

Location: ESB 4127