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Gradient estimates and Liouville theorems for nonlinear parabolic equations on noncompact Riemannian manifolds 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2011, 卷号: 74, 期号: 15, 页码: 5141-5146
作者:  Zhu, Xiaobao
收藏  |  浏览/下载:99/0  |  提交时间:2018/07/30
Gradient estimates  Nonlinear parabolic equations  Liouville theorems  
A comparative study of approximate symmetry and approximate homotopy symmetry to a class of perturbed nonlinear wave equations 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2011, 卷号: 74, 期号: 13, 页码: 4300-4318
作者:  Zhang, Zhiyong;  Chen, Yufu
收藏  |  浏览/下载:107/0  |  提交时间:2018/07/30
Approximate symmetry  Optimal system  Reduction  Approximate homotopy symmetry  
Boundary controllability for the quasi-linear wave equations coupled in parallel 期刊论文
NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS, 2011, 卷号: 74, 期号: 12, 页码: 4203-4222
作者:  Deng, Li;  Rao, Bopeng;  Yao, Peng-Fei
收藏  |  浏览/下载:72/0  |  提交时间:2018/07/30
Coupled quasi-linear wave equations  Exact controllability  Riemannian metric