Abstract
Using the homological link theorem and iteration inequalities of Maslov-type index, we prove the multiplicity of subharmonic solutions for some variant subquadratic non-autonomous Hamiltonian systems. Moreover, the minimal period problem has also been considered for the variant subquadratic autonomous Hamiltonian systems.
Citation
Shanshan Tang. Xiaofei Zhang. "Subharmonic solutions and minimal periodic solutions of first-order variant subquadratic Hamiltonian systems." Topol. Methods Nonlinear Anal. 55 (2) 517 - 532, 2020. https://doi.org/10.12775/TMNA.2019.105