Clark Butler
University of Chicago Department of Mathematics
5734 University Avenue
Chicago, IL 60637-1514
USA
Office: GHJ 208
E-mail:
cbutler@math.uchicago.edu
My advisor:
Amie Wilkinson
Curriculum Vitae
My CV
Research interests
Rigidity properties of smooth dynamical systems, particularly those of geometric origin. Also anything related to Lyapunov exponents of linear cocycles.
Seminars
Rigidity Theory Seminar
, Summer 2013
Papers
Pinching, horizontal quasiconformality, and rigidity (working title, in preparation)
Uniformly quasiconformal partially hyperbolic systems
(with Disheng Xu)
Continuity of measurable invariant conformal structures for linear cocycles over hyperbolic systems
Discontinuity of Lyapunov exponents near fiber bunched cocycles
Continuity of Lyapunov exponents for cocycles with invariant holonomies
(with Lucas Backes and Aaron Brown)
Rigidity of equality of Lyapunov exponents for geodesic flows
Undergrad Papers
On the subject of knot and graph polynomials:
A quasi-tree expansion of the Krushkal polynomial
Arrow Ribbon Graphs
with Rob Bradford and Sergei Chmutov
Bollobas-Riordan and relative Tutte polynomials
with Sergei Chmutov