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[期刊论文] 作者:QU Chang-Zheng,LI Yan-Yan, 来源:理论物理通讯:英文版 年份:2008
[期刊论文] 作者:GOU Ming,QU Chang-Zheng, 来源:理论物理通讯:英文版 年份:2008
我们学习变量的功能的分离到非线性的热方程:u t =((x) D (u) u x n ) x + B (x) Q (u) , x ≠0。如...
[期刊论文] 作者:XUE Chun-Rong,QU Chang-Zheng, 来源:理论物理通讯:英文版 年份:2006
有三个部件的非线性的散开方程的一个系统经由潜在的对称方法被学习。系统承认潜在的对称某些散开术语,这被显示出。与潜在的对称联系的不变的答案被获得。...
[期刊论文] 作者:QU Chang-Zheng,ZHANG Shun-Li, 来源:理论物理通讯:英文版 年份:2005
Generalized functional separation of variables to nonlinear evolution equations is studied in terms of the extended group foliation method, which is based on th...
[期刊论文] 作者:ZHU Chun-Rong,QU Chang-Zheng, 来源:理论物理通讯:英文版 年份:2009
Classification and reduction of the generalized fourth-order nonlinear differential equations arising from theliquid films are considered.It is shown that...
[期刊论文] 作者:ZUO Su-Li,QU Chang-Zheng, 来源:理论物理通讯:英文版 年份:2009
伪线性的散开反应方程的准确解决方案的新类被寻找考虑方程的高顺序的有条件的 Lie-Bäcklund 对称获得。这里使用的方法扩大变量和不变的潜水艇空间的导出依赖者的功能...
[期刊论文] 作者:QU Chang-Zheng,KANG Jing, 来源:理论物理通讯:英文版 年份:2008
在这篇论文,我们学习潜在的对称到非线性的散开方程的某些系统。那些系统在 3 在土壤科学,数学生物学,和不变的曲线流动有物理应用。潜在的系统的谎言点对称,不能被投...
[期刊论文] 作者:JI Li-Na,QU Chang-Zheng, 来源:理论物理通讯(英文版) 年份:2004
The present paper discusses a class of nonlinear diffusion-convection equations with source. The method that we use is the conditional symmetry method. It is sh...
[期刊论文] 作者:QU Chang-Zheng,ZHANG Shun-Li, 来源:理论物理通讯 年份:2004
The generalized conditionalsymmetry and sign-invariant approaches are developed to study the nonlinear diffusion equations with x-dependent convection and sourc...
[期刊论文] 作者:Kang Jing,Qu Chang-Zheng, 来源:中国物理B(英文版) 年份:2012
[期刊论文] 作者:KANG Jing,QU Chang-Zheng, 来源:中国物理快报(英文版) 年份:2007
We investigate the linearization of systems of n-component nonlinear diffusion equations; such systems have physical applications in soil science, mathematical...
[期刊论文] 作者:LI Yan-Yan,QU Chang-Zheng, 来源:中国物理快报(英文版) 年份:2008
We discuss the motions of curves by introducing an extra spatial variable or equivalently, moving surfaces in affine geometries. It is shown that the 2 + 1-dime...
[期刊论文] 作者:KANG Jing,QU Chang-Zheng, 来源:中国物理快报(英文版) 年份:2012
We study the Gauss keels for a class of (2+1)-dimensional linear Schr(o)dinger equations with potential functions.The relationship between the Lie point symmetr...
[期刊论文] 作者:ZHANG Shun-Li,QU Chang-Zheng, 来源:中国物理快报(英文版) 年份:2006
The concept of approximate generalized conditional symmetry (AGCS) as a generalization to both approximate Lie point symmetry and generalized conditional symmet...
[期刊论文] 作者:QU Chang-Zheng,ZHANG Shun-Li, 来源:中国物理快报(英文版) 年份:2005
Generalized functional separation of variables to nonlinear diffusion equations is studied in terms of the extended group foliation method. A complete classific...
[期刊论文] 作者:HU Jia-Yi,QU Chang-Zheng,YIN H, 来源:理论物理通讯:英文版 年份:2007
我们与来源和传送对流术语一起考虑变量的功能的分离到非线性的散开方程:u_t =((x) D (u) u_x )_x + B (x) Q (u) , A_x ≠ 0。到这个方程的变量的 Thefunctional 分离被使用组...
[期刊论文] 作者:HU Jia-Yi,QU Chang-Zheng,YIN H, 来源:理论物理通讯(英文版) 年份:2004
We consider the functional separation of variables to the nonlinear diffusion equation with source and convection term:ut = (A(x)D(u)ux)x + B(x)Q(u),Ax ≠ 0.The...
[期刊论文] 作者:Zhang Shun-Li,Lou Sen-Yue,Qu Chang-Zheng, 来源:中国物理(英文版) 年份:2006
This paper studies variable separation of the evolution equations via the generalized conditional symmetry. To illustrate, we classify the extended nonlinear wa...
[期刊论文] 作者:QU Chang-Zheng,YAO Ruo-Xia,LI Zhi-Bin, 来源:中国物理快报(英文版) 年份:2004
It is shown that two-component Wadati-Konno-Ichikawa (WKI) equation, i.e. a generalization of the well-known WKI equation, is obtained from the motion of space...
[期刊论文] 作者:YAN Lu,SONG Jun-Feng,QU Chang-Zheng, 来源:中国物理快报(英文版) 年份:2011
We present the multi-component Hunter-Saxton and μ-Camassa-Holm systems.It is shown that the multicomponent Camassa-Holm,Hunter-Saxton and μ-Camassa-Holm syst...
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