论文信息 - Concavity of the Lagrangian for quasi-periodic orbits - 字舞流文

Concavity of the Lagrangian for quasi-periodic orbits

[1] M. R. Herman. Sur la Conjugaison Différentiable des Difféomorphismes du Cercle a des Rotations , 1979 .

[2] I. Percival. A variational principle for invariant tori of fixed frequency , 1979 .

[3] J. Mather,et al. Existence of quasi-periodic orbits for twist homeomorphisms of the annulus , 1982 .