Abstract
In this paper we use viscosity solution methods to show that almost integrable Hamiltonian systems are not smoothly integrable at rotation numbers which are exponentially close to resonances.
Original language | English |
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Pages (from-to) | 1055-1071 |
Number of pages | 17 |
Journal | Indiana University Mathematics Journal |
Volume | 53 |
Issue number | 4 |
DOIs | |
Publication status | Published - 1 Dec 2004 |
Externally published | Yes |