Homoclinic orbits for first-order Hamiltonian system with local super-quadratic growth condition

Homoclinic orbits for first-order Hamiltonian system with local super-quadratic growth condition
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具有局部超二次增长条件的一阶哈密顿系统的同宿轨道

DOI:
10.1080/17476933.2020.1857373
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发表时间:
2021-01
影响因子:
0.9
通讯作者:
Fangfang Liao
Fangfang Liao
中科院分区:
数学4区
文献类型:
--
作者:
Wen Zhang;Gang Yang;Fangfang Liao

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In this paper we study the first-order Hamiltonian system Moreover precisely, assuming that the nonlinearity satisfies a local super-quadratic condition, which is weaker than the usual global super-quadratic condition, we obtain new existence results of ground state homoclinic orbits and infinitely many geometrically distinct homoclinic orbits by using a variational method. An interesting problem is that the nonlinearity may be super-quadratic on some domains and asymptotically quadratic on other domains under local super-quadratic condition. Since we are without more global information on the nonlinearity, we apply a perturbation approach and some special techniques in the proofs.
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