For a non-degenerate integrable system H₀(I) perturbed by εH₁, invariant tori with Diophantine frequency vectors survive; the complement of surviving tori has measure O(√ε). Generic persistence of quasi-periodic motion for planetary…
For a non-degenerate integrable system H₀(I) perturbed by εH₁, invariant tori with Diophantine frequency vectors survive; the complement of surviving tori has measure O(√ε). Generic persistence of quasi-periodic motion for planetary…