Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
844768 | Nonlinear Analysis: Theory, Methods & Applications | 2007 | 11 Pages |
Abstract
In this paper, we prove the existence of subharmonic solutions with prescribed minimal period for the Hamiltonian system u̇(t)=J∇H(t,u(t)) when the Hamiltonian HH is subquadratic with unbounded gradient and not uniformly coercive.
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Authors
Adel Daouas, Mohsen Timoumi,