ASYMPTOTIC STABILITY OF THIRD ORDER DELAY DIFFERENCE EQUATIONS WITH THREE PARAMETERS

In this paper, we obtain a necessary and sufficient condition for the asymptotical stability of the zero solution to the third order delay difference equations.     

THE ASYMPTOTIC STABILITY REGION TO A CLASS OF HIGHER ORDER DELAY LINEAR DIFFERENCE EQUATIONS

In this paper, we establish necessary and sufficient conditions for the zero solution to a class of higher order delay linear difference equations to be asymptotically stable, which are easy to be verified and to be applied.     

ON UNIFORM ASYMPTOTIC STABILITY OF INFINITE DELAY DIFFERENCE EQUATIONS

51. IntroductionThe aim of thi8 paPer is to establish the stability criteria for the indnite de1ay differenceequations of the formx(n 1) = F(n,x.) for n E Z, (1'l)where F: Z x CH -- Rk, Z denotes the integer set, Rh is the n-dimensional Euclidean space,CH = {T E C: llWII < H} fOr some constan H > 0, whileC = {yt: {... l --2, --1,0} - Rk l W is bounded}withllytIl = sup IW(8)I for W E C,8<0and x.(8) = x(n 8) for 8 5 0. Here, and in the sequel, l' I is a norm in Rk, and we atwa…     

二阶非线性中立型时滞差分方程的正解

本文研究了一类二阶非线性中立型时滞差分方程的正解,得到了最终正解的存在性判据及存在正解的必要条件,建立了一些正解不存在性定理,所得结论推广并改进了已知的一些结果。     

中立型时滞差分方程的振性与正解存在性

本文研究了一类中立型时滞差分方程的振动性和正解存在性，获得了该方程所有解振动的“Sharp”条件及存在正解的一个充分条件．     

A THEOREM OF UNIFORMLY ASYMPTOTIC STABILITY FOR DELAY DIFFERENCE SYSTEM

In this paper, we establish a criterion of unformly asymptotic stability for finite delay difference systems in terms of two measures by employing Lyapunov functionals method.     

非线性时滞差分方程的全局渐近稳定性

考虑非线性时滞差分方程xn+1-xn+pnxn-k=f(n,xn-l)(*)n=1,2,…其中pn＞0,k,l∈N={0,1,2,…},f(n,x)N×R→R关于x连续,本文获得了上述方程零解全局渐近稳定的充分条件,推广了文[1]的结果.     

OSCILLATION OF NONLINEAR DELAY DIFFERENCE EQUATIONS

This paper deals with the oscillatory properties of a class of nonlinear difference equations with several delays. Sufficient criteria in the form of infinite sum for the equations to be oscillatory are obtained.     

具连续变量的中立型差分方程的振动性

本文研究如下具有连续变量的中立型差分方程△（y（t）-p（t）y（t-τ）） q（t）y（t-σ0=0,t≥to(*)其中q(t）∈C[to,∞）,R∧ ）,τ,σ是非负实数的解的振动性,获得了方程（*）的每个解都振动的若干充分条件,改进了文献中的结果。     

中立型时滞差分方程解的渐近性

给出了中立型时滞差分方程△（ｘｎ＋ｐｘｎ－ｋ）＋ｑｎｆ（ｘｎ－ｍ）＝０一切非振动解趋于零（ｎ→∞）的充分条件，证明了方程（Ｅ）一切解振动的两个新的定理。     

A COUPLED SYSTEM OF INTEGRAL EQUATIONS IN REFLEXIVE BANACH SPACES

We present an existence theorem for at least one weak solution for a coupled system of integral equations of Volterra type in a reflexive Banach spaces relative to the weak topology.     

MULTIPLE POSITIVE PERIODIC SOLUTIONS OF A CLASS OF DELAY DIFFERENCE EQUATIONS

Based on the Leggett-Williams fixed point theorem for a Banach space, we establish the existence of three positive periodic solutions for a class of delay difference equations.     

Banach空间中Volterra非线性积分方程的Carathéodory解

本文在相当弱的条件下研究Ｂａｎａｃｈ空间中Ｖｏｌｔｅｒｒａ非线性积分方程的Ｃａｒａｔｈｅｏｄｏｒｙ解的存在性,证明方法简洁且与现有文献不同．     

THE STABILITY OF SCALAR AUTONOMOUS DIFFERENCE EQUATIONS

ＴＨＥＳＴＡＢＩＬＩＴＹＯＦＳＣＡＬＡＲＡＵＴＯＮＯＭＯＵＳＤＩＦＦＥＲＥＮＣＥＥＱＵＡＴＩＯＮＳ￥ＺｈａｎｇＳｈｕｎｉａｎ（ＡｎｈｕｉＵｎｉｖｅｒｓｉｔｙ．）Ａｂｓｔｒａｃｔ：Ｔｈｅｇｅｎｅｒａｌｃｒｉｔｅｒｉａｏｆｓｔａｂｉｌｉｔｙｆｏｒｅｑｕｉ...     

INTEGRO-DIFFERENTIAL EQUATIONS ON UNBOUNDED DOMAINS IN BANACH SPACES

51.IntroductionIn[1,Section3.3])wehavediscussedtheinitialvalueproblem(IVP)forfirstorderintegrthdtherentialequationsofVolterratroeoninfiniteintervalJ=[O,oo)inarealBanachspaceEbymeansoffixedpoillttheory.Now,inthispaper,weshallinvestigatetheIVPforn-thordersuchequationsbymeansofcompletelydtherentmethod,thatis,byestablishingacomparisonresultandusingthemonotoneiterativetecdrique.ConsidertheIVPforn-thordernonlinearilltegrthdifferelitialequationofVolterratypeinE:whereJ=[O,oo),uiEE(i=O,1,'jn…     

时滞差分方程的正解与全局渐近稳定性

本文通过研究一类一阶变系数时滞差分方程ｘｎ＋１－ｘｎ＋∑ｓｉ＝１ｐｉ，ｎｘｎ－ｋｉ＝０，ｎ＝０，１，２，…的一个正解的性质，得到了它的零解为全局渐近稳定的充分条件．     

具有振动系数时滞差分方程解的振动性

本文研究了一类具振动系数时滞差分方程解的振动性,给出了一个新的振动准则,改进了已有文献中许多相关的结果．     

具有连续变量的变系数差分方程的振动性

本文建立了具有连续交量的变系数差分方程振动的充分条件，改进了最近文献中的一些结果．     

高阶中立型差分方程的振动性及其非振动解的渐近性态

本文给出了高阶非线性中立型时滞差分方程△＾ｄ（ｘ（ｎ－Ｐ（ｎ）ｘ（ｎ－ｋ））＋ｇ（ｎ）ｆ（ｘ（ｍ－ｌ）＝０振动的一个充分条件,同时以给出该方程的非振动解趋于零的判据。     

THE STABILITY OF LINEAR MULTISTEP METHODS FOR SYSTEMS OF DELAY DIFFERENTIAL EQUATIONS

This paper deals with the numerical solution of initial value problems for systems of differential equations with a delay argument. The numerical stability of a linear multistep method is investigated by analysing the solution of the lest equation y'(t)=Ay(t) + By(1-t),where A,B denote constant complex N×N-matrices,and t>0.We investigate carefully the characterization of the stability region.