Periodic Solutions of Superquadratic Hamiltonian Systems with Bounded Forcing Terms. Yiming Long — 1990 Mathematische Zeitschrift
Geodesics in the compactly supported Hamiltonian diffeomorphism group. Yiming Long — 1995 Mathematische Zeitschrift
The minimal period problem of classical hamiltonian systems with even potentials Yiming Long — 1993 Annales de l'I.H.P. Analyse non linéaire
On the density of the range for some nonlinear operators Yiming Long — 1989 Annales de l'I.H.P. Analyse non linéaire
Periodic solutions of perturbed superquadratic hamiltonian systems Yiming Long — 1990 Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
Multiplicity and stability of closed geodesics on Finsler 2-spheres Yiming Long — 2006 Journal of the European Mathematical Society A survey of recent progress on the multiplicity and stability problems for closed geodesics on Finsler 2-spheres is given.
Hyperbolic characteristics on star-shaped hypersurfaces Chun-Gen Liu; Yiming Long — 1999 Annales de l'I.H.P. Analyse non linéaire