一类六阶非线性扩散方程整体吸引子的存在性
Existence of global attractor for a class of sixth-order nonlinear diffusion equation
吴彤 1赵晓朋1
作者信息
- 1. 东北大学 理学院,辽宁 沈阳 110004
- 折叠
摘要
非线性扩散方程的整体动力学行为在某种意义下反应了方程解的稳定性.利用迭代技巧,半群的正则性估计以及先验估计,证明了一类六阶非线性扩散方程在分数阶空间中整体吸引子的存在性.得到,当u0∈ Hk(Ω)(0≤k ≤∞)时,则方程的解u(x,t)在Hk(Ω)中存在一个完备的整体吸引子.
Abstract
The whole dynamic behavior of the nonlinear diffusion reflects the stability of the solution in a certain sense.The existence of global attractor of a type of sixth-order nonlinear diffusion equation in the fractional space has been proved by applying iteration technique,regularity estimation of semigroups and prior estimation.
关键词
六阶非线性扩散方程/先验估计/整体吸引子Key words
sixth-order nonlinear diffusion equation/priori estimates/global attractor引用本文复制引用
出版年
2024