On subquadratic Hamiltonian systems
Tài liệu tham khảo
Benci, 1980, Some critical point therorems and applications, Communs pure appl. Math., 33, 147, 10.1002/cpa.3160330204
Benci, 1981, A geometrical Index for the group S1 and some applications to the study of periodic solutions of ordinary differential equations, Communs pure appl. Math., 34, 393, 10.1002/cpa.3160340402
Benci, 1982, On the critical point theory for indefinite functionals in the presence of symmetry, Trans. Am. math. Soc., 274, 533, 10.1090/S0002-9947-1982-0675067-X
Benci, 1983, Periodic solutions of Hamiltonian systems with a prescribed period
Benci, 1982, The dual method in critical point theory. Multiplicity results for indefinite functionals, Annali Mat. pura appl., 132, 215, 10.1007/BF01760982
Benci, 1981, Soluzioni periodiche multiple per equazioni differenziali non lineari relative a sistemi conservativi, 217
Clark, 1978, Periodic solutions of variational systems of ordinary differential equations, J. diff. Eqns, 28, 354, 10.1016/0022-0396(78)90133-X
Coron J.M., Resolution de l'équation Au+Bu=f où A est linéare autoadjoint et B deduit d'un potential convex, Annls Fac. Sci. Univ. Toulouse (to appear).