SOLUTION FOR TWO-POINT BOUNDARY VALUE PROBLEM OF THE SEMILINEAR FRACTIONAL DIFFERENTIAL EQUATION

In this paper, we establish the existence result of solution and positive solution for two-point boundary value problem of a semilinear fractional differential equation by using the Leray-Schauder fixed-point theorem. The discussion is based on the system of integral equations on a bounded region.     

Boussinesq型方程的周期边界问题与初值问题的解的存在性

本文研究“坏的Ｂｏｕｓｓｉｎｅｓｑ型方程ｕｔｔ－ｂｕｘｘｘ＝σ（ｕ）ｘｘ的周期边界问题与初值问题的解的存在性问题,其中ｂ〉０为常数,证明了在相当宽松的条件下,上述问题存在局部广义解。     

半线性方程周期边值问题

本文利用整体反函数理论，研究了半线性周期边值问题，给出存在唯一性的充分条件，推广和改进了现有的结果。     

ON THE EXISTENCE OF ALMOST GLOBAL WEAK SOLUTION TO MULTIDIMENSIONAL VLASOV-POISSON EQUATION

§１．ＩｎｔｒｏｄｕｃｔｉｏｎＣｏｎｓｉｄｅｒｔｈｅｆｏｌｏｗｉｎｇｄｄｉｍｅｎｓｉｏｎａｌＶｌａｓｏｖＰｏｉｓｏｎｓｙｓｔｅｍ，ｄ＝２，３，ｔｆ＋ｖ·ｘｆ－Ｅ·ｖｆ＝０，ｆ（０，ｘ，ｖ）＝ｆ０（ｘ，ｖ），Ｅ（ｔ，ｘ）＝ｃ（ｄ）∫ｘ－ｙ｜ｘ...     

高耦合边值问题正解的存在性

本文通过研究非线性项f(t,x1,x2…，xn-1）和g(t,y1,y2…yn-1)的性质，给出了高阶耦合边值问题至少存在一个正解的条件，同时，运用该结论建立了两个正解的存在性定理。     

具两组高阶基本解系列的MRM边界积分方程

以双参数地基上板弯曲问题为模型,利用两组高阶基本解进行交替多重替换,得到边界积分方程,并证明该方程与边值问题常规的边界积分方程本质是一致的,具更便于计算。     

NEUMANN BOUNDARY VALUE PROBLEM FOR THE LANDAU-LIFSHITZ EQUATION

In this paper, we prove that there exists a unique global smooth solution for the homogeneous Neumann boundary value problem of the Landau-Lifschitz equation if the initial function is smooth.     

A NOTE ON THE SOLUTION TO NEUMANN BOUNDARY VALUE PROBLEM OF SECOND ORDER NONLINEAR DIFFERENTIAL EQUATION

The author of this paper, by means of the semi-rank theory, establish a new comparative theorem and give the existence of maximal and minimal solutions to Neumann boundary value problems of second order nonlinear differential equation in ordered Banach spaces when the upper and lower solutions in the reversed order of the problem are given.     

SINGULAR PERTURBATIONS OF A HIGHER-ORDER SCALAR NONLINEAR BOUNDARY VALUE PROBLEM

1IntroductionInthispaper,weconsiderthesingularperturbationsofthefollowinghigher-ordernonlinearboundaryvalueproblemwheree>0isasmallparameter,n22,yER;thegivendataquantitiesHIandHZare(n--2)-d~sionaland2-dimensionalrealvector-valuedfunctions,respectively.ThesendlinearboundaryvalueproblemcanbewrittenintheformOf(1.1)-(1.3).Thesingularperturbationsfortheproblem(1.4)havebeenstudiedbymanyauthors(of.e.g.[1]-[3]).Thesestudieshavebeenmacebythemethodsofthedifferentialinequalitytechniques.However,itseem…     

POSITIVE SOLUTION TO SECOND-ORDER FOUR-POINT BOUNDARY VALUE PROBLEM WITH SIGN CHANGING NONLINEARITY

This paper considers the positive solution to a class of second-order four-point boundary value problem, in which the first order derivative is involved in the nonlinear term explicitly. By the fixed point theorem in cone, sufficient conditions ensuring the existence of positive solution to the problem are obtained. An example is given to illustrate the feasibility of the main results.     

计算立方体上Henon方程多个正解的分歧方法

本文首先应用分歧方法给出计算立方体上Henon方程边值问题D₄(3)对称正解的三种算法, 然后以Henon方程中的参数r为分歧参数, 在D₄(3)对称正解解枝上 用扩张系统方法求出对称破缺分歧点, 进而用解枝转接方法计算出其它具有不同对称性质的正解.     

一类具变号非线性项二阶m点边值问题的正解

利用一个新的不动点定理,研究一类具有变号且依赖一阶导数非线性项二阶m点边值问题正解的存在性,得到了正解存在的充分条件.     

MULTIPLE BOUNDARY LAYER PHENOMENA OF SOLUTION OF BOUNDARY VALUE PROBLEM FOR THIRD ORDER DIFFERENTIAL EQUATION WITH TWO PARAMETERS

1IntroductionAlotofworkonthesingularlyperturbedboundaryvalueproblemofthirdorderdifferentialequationwereinthecasesofonesmallparameter[1-3].Inthispaper9wediscussthe8ingularperturbationofboundaryvalueproblemforathirdordersemilinearordinarydifferentialequatio…     

具退化边值的时滞抛物问题解的振动性（英文）

本文利用平均化技巧与常泛函微分方程的已知结论建立了一类具退化过值的抛物型偏泛函微分方程解的振动性判别准则．     

实轴上非正则型Riemann边值问题

本文研究了实轴上一类特殊非正则型Riemann边值问题.利用Peano导数构造出一种广义Hermite插值多项式,获得了该问题的可解条件和解的封闭形式.     

PERIODIC BOUNDARY VALUE PROBLEM FOR NONLINEAR INTEGRO-DIFFERENTIAL EQUATION OF MIXED TYPE ON TIME SCALES

We prove several new comparison results and develop the monotone iterative technique to show the existence of extremal solutions to a kind of periodic boundary value problem (PBVP) for nonlinear integro-differential equation of mixed type on time scales.     

PERIODIC BOUNDARY VALUE PROBLEM AND CAUCHY PROBLEM OF THE GENERALIZED CUBIC DOUBLE DISPERSION EQUATION

In this article, the existence, uniqueness and regularities of the global generalized solution and global classical solution for the periodic boundary value problem and the Cauchy problem of the general cubic double dispersion equation
utt - uxx - auxxtt ＋ bux4 - duxxt = f（u）xx
are proved, and the sufficient conditions of blow-up of the solutions for the Cauchy problems in finite time are given.     

OBLIQUE DERIVATIVE BOUNDARY VALUE PROBLEMS OF MIXED TYPE EQUATION

In this article, the oblique derivative boundary value problems for the mixed type equation uxx sgny uyy = aux buy cu d in another more general domain are discussed and by using the method of complex analysis, a series of solvability results is obtained, which generalizes some recent results.