具阻尼的KdV—KSV方程的整体吸引子

本文证明了有阻尼的、没有Ｍａｒａｎｇｏｎｉ效应的ＫｄＶ－ＫＳＶ方程的周期初值问题存在整体吸引子,并且给出了该吸引子的Ｈａｕｓｄｏｒｆ维数和分形维数的上界估计     

Kuramoto-Sivashinsky方程的渐近吸引子

本文给出了一周期边界条件下Ｋ－Ｓ方程的有限维渐进吸引子（Ａｓｙｍｐｔｏｔｉｃ Ａｔｔｒａｃｔｏｒ）而非通常的近似吸引子（Ａｐｐｒｏｘｉｍａｔｅ Ａｔｔｒａｃｔｏｒ）。     

环状区域中的轴对称Kuramoto-Sivashinsky方程的整体吸引子

在本文中，环状区域中的轴对称Ｋｕｒａｍｏｔｏ－Ｓｉｖａｓｈｉｎｓｋｙ方程的有限维整体吸引子被得到了．     

单模光纤中光孤立子传播的长距离行为(英文)

研究描述单模光纤中光孤立子传播的具光纤损耗项的三阶非线性Ｓｃｈｒｏｄｉｎｇｅｒ方程,首先证明了整体解的存在唯一性结果,然后证明其长距离行为由紧的整体吸引子刻画,并给出了吸引子的Ｈａｕｓｄｏｒｆｆ维数和分形维数的上界估计,最后研究了吸引子的正则性．     

Sine—Gordon方程的全局吸引子的维数估计

本文得到了阻尼Ｓｉｎｅ－Ｇｏｒｄｏｎ方程的狄氏问题的全局吸引子的Ｈａｕｓｄｏｒｆｆ维数以偶数上界的参数条件，特别地，当阻尼与Ｌａｐｌａｅ算子的第一个特征值适当大时，全局吸引子是零维的，零维吸引子恰是系统的唯一平衡解并且指数吸引相空间的有界集。     

随机分形

本文概括了随机分形的主要结果，综述了随机分形的最新进展和目前的动态，提出了一些末解决的问题，全文共分为三部分：（１）由随机过程和随机场（如Ｌｅｖｙ过程，Ｇａｕｓｓ场，自相似过程等）产生的各种随机分形集（如象集、水平集、Ｋ重点集等）的Ｈａｕｓｄｏｒｆｆ维数、测度和ｐａｃｋｉｎｇ维数、测试；（２）随机Ｃａｎｔｏｒ型集和统计自相似集的维数和测试；（３）分形集（如Ｓｐｉｅｒｐｉｎｓｋｉ ｇａｓｋｅｔ，ｎｅ     

弱阻尼非线性Scdrodinger－Boussinesq方程整体吸引子的有限维性质

弱阻尼非线性Ｓｃｄｒｏｄｉｎｇｅｒ－Ｂｏｕｓｓｉｎｅｓｑ方程整体吸引子的有限维性质郭柏灵，陈风新ＦｉｎｉｔｅＤｉｍｅｎｓｉｏｎａｌＢｅｈａｖｉｏｒｏｆＧｌｏｂａｌＡｔｔｒａｃｔｏｒｓＦｏｒｗｅａｋｌｙＤａｍｐｅｄＮｏｎｌｉｎｅａｒＳｃｈｒｏｄｉｎｇｅ...     

广义KdV—Burgers方程吸引子的谱逼近

１引言近年来．随着对无限维动力系统研究的深入,人们对非线性发展方程解的渐近性态了解得越来越多．例如对某些耗散的非线性发展方程,象Ｎａｖｉｅｒ－Ｓｔｏｋｅｓ方程、Ｋｕｒａｍｏｔｏ－Ｓｉｖａｓｈｉｎ－ｓｋｙ方程等都存在整体的吸引子．系统的渐近性质和系统的复杂性完全由整体吸引子所确定（详细请参见［３］）．与此同时,这类系统的有限维逼近也是人们非常关心的问题,在这方面已有许多工作,如Ｊ．Ｋ．Ｈａｌｅ等人在［５］中基于有限元方法研究了某些非线性发展方程．得到了近似吸引子是上半连续的;Ｃ．Ｍ．Ｅｌｌｏｔｔａ…     

Navier—Stokes方程的稳态解和吸引子

本文将证明Ｎａｖｉｅｒ－Ｓｔｏｋｅｓ方程的解当ｔ→＋∞时趋于稳态解，并由此推出Ｎ－Ｓ方程存在集合满足泛吸引子或函数不变集条件的充要条件。     

Glowinski区域分解算法的收敛性方程：Stokes方程

Ｇｌｏｗｉｎｓｋｉ区域分解算法的收敛性方程──Ｓｔｏｋｅｓ方程储德林，胡显承（清华大学应用数学系，北京１０００８４）ＴＨＥＣＯＮＶＥＲＧＥＮＣＥＯＦＧＬＯＷＩＮＳＫＩ＇ＳＤＯＭＡＩＮＤＥＣＯＭＰＯＳＩＴＩＯＮＡＬＧＯＲＩＴＨＭ──ＳＴＯＫＥＳＥＱＵＡ...     

The Inertial Fractal Sets for Nonlinear Schrodinger Equations

The existence of inertial fractal sets for weakly dissipative Schrödinger equations which possess (E_0, E) type compact attractor is proved. The estimates of the upper bounds of fractal dimension of inertial fractal set arc also obtained.     

INERTIAL FRACTAL SET AND FRACTAL STRUCTURE OF ATTRACTORS FOR THE GINZBURG-LANDAN EQUATION

1.IntroductionTheGinzburg-Landanequationsgovernthefiniteamplitudeevolutionofinstabilitywavesinalargevarietyofdissipativesystemswhichareclosetocriticallty.VariousformsoftheGinzburg-Landanequationariseinhydrodynamicinstabilitytheory:thedevelopmentofTolllnieu-SchlichtingwavesinplanePoiseuilleflows,thenonlineargrowthofconvectionrollsintheRayleigh-Benardproblem,andtheappearanceofTaylorvorticesintheflowbetweencounterrotatingcircularcylinders(see[7--9]).Theekistenceofattractorsandaninertialmanifo…     

On the description of self-similarity for attractors by means of conditional entropy

There exist several sets having similar structure on arbitrarily small scales. Mandelbrot called such sets fractals, and defined a dimension that assigns non-integer numbers to fractals. On the other hand, a dynamical system yielding a fractal set referred to as a strange attractor is a chaotic map. In this paper, a characterization of self-similarity for attractors is attempted by means of conditional entropy.     

Inertial fractal set and fractal structure of attractors for the ginzburg-landan equation

This paper proves that the Ginzburg-Landan partial differential equation admits an inertial fractal set whose fractal dimension is finite. Furthermore, We produce an exponentially approximating sequence of localizing compact fractal sets and a fractal structure of the attractor. This project is supported by the National Natural Science Foundation of China     

具有色散的反应扩散方程在分数次幂空间的指数吸引子

本文得到具有色散的反应扩散方程组在分数次幂空间指数吸引子的存在性,同时得到（１,２）中整体吸引子分形维上界估计,完善和发展了（１－３）的结果。     

具阻尼的非线性波动方程整体吸引子的Hausdorff维数、分形维数估计

本文得到了一类具有线性阻尼且非线性项满足临界增长条件的非线性波动方程整体吸引子的Hausdorff维数、分形维数估计．     

Fractal Dimension of Random Attractors for Non-autonomous Fractional Stochastic Reaction-diffusion Equations

This paper dealswith non-autonomous fractional stochastic reaction-diffusion equations driven by multiplicative noise with s ∈ (0,1). We first present some conditions for estimating the boundedness of fractal dimension of a random invariant set. Then we establish the existence and uniqueness of tempered pullback random attractors. Finally, the finiteness of fractal dimension of the random attractors is proved.     

ATTRACTORS FOR DISCRETIZATION OF GINZBURG-LANDAU-BBM EQUATIONS

1. IntroductionIn this paper) we consider the following periodic initial value problem for the system ofGinzburg-Landau equation coupled with BBM equationwhere e(x,t) is a complex function, n(x, t) is a real scalar function, at a, 5, 7, al, a2, FI, adZare real constants, and gi (x), g200 are given real functions.This problem describes the nonlinear interactions between Langmuir wave and ion acousticwave in plasma physics, e(x, t) denotes electric field, n(x, t) the perturbation of density (…     

高维广义Kuramoto-Sivashinsky型方程全离散Fourier拟谱方法的大时间性态研究

在文~[1]中我们用Fourier拟谱方法讨论了广义Kuramoto-sivashinsky型方程的半离散近似解，得到了近似解的大时间误差估计、近似吸引子的存在性和收敛性。当进一步关于时间离散时，必须考虑全离散格式的大时间性态，由于原方程的解关于时间的导数u_1在t=     

Global attractors for the initial value problems of Cohn-Hilliard equations on compact manifolds

In this paper we establish some theorems which are concerned with the equivalent norms of Sobolev spaces on a Riemannian manifold. Using the theorems we prove the existence of global attractors for the initial value problem of Cahn-Hilliard equations. The estimates of the upper bounds of Hausdorff and fractal dimensions for the global attractors are also obtained.