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[期刊论文] 作者：Chungen LIU,
来源：数学年刊B辑（英文版） 年份：2004
The Maslov P-index theory for a symplectic path is defined. Various properties of this index theory such as homotopy invariant, symplectic additivity and the re...
[期刊论文] 作者：Chungen LIU,Qi WANG,
来源：数学年刊B辑（英文版） 年份：2004
By using the index theory for linear bounded self-adjoint operators in a Hilbert space related to a fixed self-adjoint operator A with compact resolvent, the au...
Nontrivial Solutions of Superquadratic Hamiltonian Systems with Lagrangian Boundary Conditions and t
[期刊论文] 作者：Chong LI,Chungen LIU,
来源：数学年刊B辑（英文版） 年份：2004
In this paper, the authors study the existence of nontrivial solutions for the Hamiltonian systems z(t) = J▽H(t, z(t)) with Lagrangian boundary conditions, whe...
Nontrivial Solutions of Superquadratic Hamiltonian Systems with Lagrangian Boundary Conditions and t
[期刊论文] 作者：Chong LI,Chungen LIU,
来源：黑龙江科技学院学报 年份：2008
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者：Chungen LIU,Benxing ZHOU,
来源：黑龙江科技学院学报 年份：2017
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[会议论文] 作者：Zexing Qu,Chungen Liu,
来源：第十二届全国量子化学会议 年份：2014
...
[期刊论文] 作者：Chungen LIU,Xiaofei ZHANG,
来源：黑龙江科技学院学报 年份：2019
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
Iteration theory of Maslov-type index associated with a Lagrangian subspace for symplectic paths and
[会议论文] 作者：Chungen Liu,Duanzhi Zhang,
来源：International Conference on Variational Methods (ICVAM-2)(20 年份：2009
...
Minimal period estimates on P-symmetric periodic solutions of first-order mild superquadratic Hamilt
[期刊论文] 作者：Xiaofei ZHANG,Chungen LIU,
来源：中国数学前沿 年份：2021
With the aid of P-index iteration theory,we consider the minimal period estimates on P-symmetric periodic solutions of nonlinear P-symmetric Hamiltonian systems...
Iteration theory of Maslov-type index associated with a Lagrangian subspace for symplectic paths and
[会议论文] 作者：Chungen Liu,Duanzhi Zhang,
来源：International Conference on Variational Methods (ICVAM-2)(20 年份：2009
...
[期刊论文] 作者：Chungen Liu,Yiming Long,Duanzhi Zhang,
来源：分析理论与应用:英文刊 年份：2021
In this paper,we give a survey on the index iteration theory of an index theory for brake orbit type solutions and its applications in the study of brake orbit...
[期刊论文] 作者：Fang Baizeng,Zhou Chungen,Liu Xinyu,Duan Shuzhen,
来源：稀有金属（英文版） 年份：2000
The stability of NiO and oxidized nickel-niobium surface alloy electrode under various molten carbonate fuel cell(MCFC) cathode conditions were investigated by...
Multilocus Sequences Confirm Genetic Variation and Differentiation among 16SrI Group Phytoplasma Str
[会议论文] 作者：Yu Shaoshuai,Li Yong,Ren Zhengguang,Song Chuansheng,Lin Caili,Piao Chungen,Liu Jianmi,Yan Shuping,Lin,
来源：中国植物病理学会2014年学术年会 年份：2014
Phytoplasmas are phloem-limited bacterial plant pathogens associated with approximately 1000 plant species worldwide, of which over 100 occur in China.In the study, four phytoplasma strains of chinabe...
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