国家自然科学基金(10671131)

作品数:7被引量:4H指数:1
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相关作者:赵烨崔丽威刘迎东更多>>
相关机构:北京石油化工学院装甲兵工程学院北京交通大学更多>>
相关期刊:《Science China Mathematics》《Acta Mathematicae Applicatae Sinica》《数学物理学报(A辑)》《内蒙古大学学报(自然科学版)》更多>>
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耦合BBM方程组孤立波解的轨道稳定性(英文)被引量:1
《数学进展》2012年第3期341-346,共6页崔丽威 赵烨 
Supported by NSFC(No.10271082,No.10671131)
本文研究具有Hamilton形式的耦合BBM方程组孤立波解的轨道稳定性.首先找到两族显式孤立波解.然后通过详细的谱分析证明出孤立波解的轨道稳定性.
关键词:孤立波 轨道稳定性 谱分析 
The Stability of Traveling Waves with Non-critical Speeds for Some Competition Systems
《Acta Mathematicae Applicatae Sinica》2010年第4期643-652,共10页Ye Zhao 
Supported by the National Natural Science Foundation of China (No.10671131);Beijing Natural Science Foundation (No.1092006)
This paper is concerned with some quasilinear cross-diffusion systems which model competing species in mathematical ecology.By detailed spectral analysis,each traveling wave solution with non-critical speed is proved ...
关键词:traveling waves asymptotic stability spectral analysis 
The existence and stability of traveling waves with transition layers for the S-K-T competition model with cross-diffusion被引量:3
《Science China Mathematics》2010年第5期124-147,共24页Wu YaPing Zhao Ye 
supported by National Natural Science Foundation of China (Grant No.10671131);Beijing Natural Science Foundation (Grant No.1092006)
This paper is concerned with the existence and stability of traveling waves with transition layers for a quasi-linear competition system with cross diffusion,which was first proposed by Shegesada,Kawasaki and Teramoto...
关键词:TRAVELING waves EXISTENCE STABILITY CROSS-DIFFUSION spectral analysis UNSTABLE BUNDLE 
诺依曼边条件下正弦戈登方程组的动力学
《数学物理学报(A辑)》2010年第2期364-374,共11页刘迎东 
国家自然科学基金(10671131)资助
利用等价模和锥压缩的方法证明了当阻尼常数和扩散常数适当大时,Neumann边条件下周期受迫的Sine-Gordon方程组的全局吸引子是一条不变曲线,系统在不变曲线上的行为类似于圆周上的保向同胚.
关键词:吸引子 周期解 稳定性 
一类BBM系统的精确孤立波解(英文)
《内蒙古大学学报(自然科学版)》2010年第2期127-131,共5页赵烨 
supported by the NSF of China(10671131);Beijing NSF(1092006);Youth Science Foundation of Beijing Institute of Petrolchemical-Technology(08010702016)~~
研究一类耦合BBM系统的精确孤立波解.为找到系统的孤立波解,只需研究一个常微分方程组解的存在性.对于给定的解的形式,此常微分方程组解的求解转化为求解一个非线性代数方程组.利用双曲函数展开法,通过细致的计算,得到了系统的一类显式...
关键词:BBM系统 精确解 孤立波 
Existence,Orbital Stability and Instability of Solitary Waves for Coupled BBM Equations
《Acta Mathematicae Applicatae Sinica》2009年第1期1-10,共10页Li-wei Cui 
Supported by the National Natural Science Foundation of China(No.10271082,10671131);Beijing Natural Science Foundation(No.1052003)
This paper is concerned with the orbital stability/instability of solitary waves for coupled BBM equations which have Hamiltonian form. The explicit solitary wave solutions will be worked out first. Then by detailed s...
关键词:Solitary wave orbital stability/instability spectral analysis decaying estimate 
Instability of Solitary Waves in Nonlinear Composite Media
《Acta Mathematicae Applicatae Sinica》2007年第2期311-318,共8页Ye Zhao 
the National Natural Science Foundation of China(No.10271082,No.10671131);Beijing Natural Science Foundation(No.1052003)
In this paper, we investigate a class of Hamiltonian systems arising in nonlinear composite media. By detailed analysis and computation we obtain a decaying estimates on the semigroup and prove the orbital instability...
关键词:Solitary wave orbital instability composite WELL-POSEDNESS SPECTRUM 
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