Regions of instability for non-twist maps

John Franks*, Patrice Le Calvez

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

41 Scopus citations


In this paper we consider an analog of the regions of instability for twist maps in the context of area preserving diffeomorphisms which are not twist maps. Several properties analogous to those of classical regions of instability are proved.

Original languageEnglish (US)
Pages (from-to)111-141
Number of pages31
JournalErgodic Theory and Dynamical Systems
Issue number1
StatePublished - Feb 2003

ASJC Scopus subject areas

  • Mathematics(all)
  • Applied Mathematics

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