数学物理学报 ›› 1997, Vol. 17 ›› Issue (2): 121-128.

• 论文 •    下一篇

非线性波动方程经典解的整体存在性

秦玉明   

  1. 河南大学教学系 开封 475001
  • 收稿日期:1995-02-20 修回日期:1995-07-13 出版日期:1997-04-26 发布日期:1997-04-26
  • 基金资助:
    河南省科委自然科学基金

Global Exisence of Classical Solution to the Nonlinear Wave Equations

Qin Yuming   

  1. 1 Mathematics Department of Henan University, Kaifeng 475001;
    2 Institute of Mathematics of Fudan University, Shanghai 200433
  • Received:1995-02-20 Revised:1995-07-13 Online:1997-04-26 Published:1997-04-26

摘要: 该文证明了波动方程uu-△u=F(u,Du)的Cauchy问题整体经典解的存在性唯一性,并对方程中出现的每项u,Du,D2u的某种范数均得到了与齐次方程相同的衰减估计,其结果补充和丰富了[4]中F不显含u时的结果.

关键词: 波动方程, 范数, 衰减性

Abstract: In this paper the existence and uniqueness of global Classical solution to the cauchy problem for the wave equation to uu-△u=F(u, Du) are proved. Moreover, the decaying esimates of every terms u,Du,D2u appearing in the equation are obtained, which arethe same as the corresponding homogeneous equation. The results of this paper supplementsthe results in[4] where F does not contain u explicitly.

Key words: global solution, Cauchy problem, decaying estimates