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多维的一般的BBM-Burgers方程解的逐点估计 被引量:1

Pointwise Estimates for the Solution to the Multi-Dimensional Generalized BBM-Burgers Equation
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摘要 研究R^n中一般的BBM-Burgers方程解的渐进行为.运用Green函数法和Fourier分析方法得到了在非零常状态u~*附近小扰动解的逐点估计,作为一个推论,又得到了L^p(R^n)(1≤p<∞)空间解的最佳的衰减估计. In this paper,the author focuses on the time-asymptotic behavior of solution for the scalar multi-dimensional generalized BBM-Burgers equation in the whole-space Rn.By using Green's function method combined with Fourier analysis method,the author yields the pointwise estimates of the solution when the initial data is a small perturbation around the constant state u*,(u* ≠ 0).As a corollary,the optimal decay rate in Lp(Rn)(1 ≤ p ≤ o∞) space is obtained.
作者 张丹丹
出处 《数学物理学报(A辑)》 CSCD 北大核心 2014年第3期473-486,共14页 Acta Mathematica Scientia
基金 国家自然科学基金(11071162 11231006 11171212 11171213)资助
关键词 BBM-Burgers方程 GREEN函数 最佳衰减估计 能量方法 逐点估计 BBM-Burgers equation Green's function Optimal decay estimates Energy method Pointwise estimates
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