Open AccessA nondifferentiable essential irrational invariant curve for a $C^1$ symplectic twist map
Author(s) -
Marie-Claude Arnaud
Publication year - 2011
Publication title -
journal of modern dynamics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.668
H-Index - 25
eISSN - 1930-532X
pISSN - 1930-5311
DOI - 10.3934/jmd.2011.5.515
Subject(s) - mathematics , symplectic geometry , invariant (physics) , counterexample , twist , pure mathematics , differentiable function , annulus (botany) , discrete mathematics , geometry , mathematical physics , botany , biology