Midwest Dynamical Systems

Title: Area Preserving Entropy Zero Diffeomorphisms
Speaker: John Franks
Speaker Info: Northwestern University
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This talk will discuss joint work with Michael Handel concerning the dynamic structure of area preserving diffeomorphisms of the two-sphere which have zero topological entropy. The intended applications are to show the existence of global fixed points for certain subgroups of the centralizer of such a diffeomorphism. These fixed points in turn can be used to show that the actions of groups like the mapping class group are very restricted.
Date: Friday, October 29, 2010
Time: 3:00pm
Where: Lunt 105
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