19 citations · 19 across the 1 of their papers we have counts for
2 papers
math.DG2003★ 19 cited
Index iteration theory for symplectic paths with applications to nonlinear Hamiltonian systems
Yiming Long
In recent years, we have established the iteration theory of the index for symplectic matrix paths and applied it to periodic solution problems of nonlinear Hamiltonian systems. Th…
math.DS2001
Closed characteristics on compact convex hypersurfaces in
Yiming Long, Chaofeng Zhu
For any given compact C^2 hypersurface Σin {\bf R}^{2n} bounding a strictly convex set with nonempty interior, in this paper an invariant \varrho_n(Σ) is defined and satisfies \var…