Stable ergodicity and julienne quasi-conformality

  • Charles Pugh
  • Michael Shub


In this paper we dramatically expand the domain of known stably ergodic, partially hyperbolic dynamical systems. For example, all partially hyperbolic affine diffeomorphisms of compact homogeneous spaces which have the accessibility property are stably ergodic. Our main tools are the new concepts – julienne density point and julienne quasi-conformality of the stable and unstable holonomy maps. Julienne quasi-conformal holonomy maps preserve all julienne density points.

Mathematics Subject Classification (1991): 37C, 37D 


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Copyright information

© Springer-Verlag Berlin Heidelberg & EMS 2000

Authors and Affiliations

  • Charles Pugh
    • 1
  • Michael Shub
    • 2
  1. 1.Mathematics Department, University of California, Berkeley, CA, 94720, USA¶e-mail: pugh@math.berkeley.eduUS
  2. 2.IBM, Thomas J. Watson Research Center, Yorktown Heights, NY, 10598, USA¶e-mail:

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