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双语推荐:边值问题

给出了一类全纯函数向量Riemann边值逆问题的一般提法.分齐次和非齐次两种情形,讨论了此边值逆问题正则型情况的可解性.利用全纯函数向量Riemann边值问题的有关理论,获得了该边值逆问题的可解条件和解的表示式.
In this paper,the general mathematical formulation of inverse Riemann boundary value problems of holomorphic function vector has been given,and the solvability of the homogeneous and nonhomoge-neous problem for the normal case has been discussed.On the basis of the theory of Riemann boundary value problems of holomorphic function vector,the solvable conditions and the representation of the solu-tions have been obtained.

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对一类抛物方程非齐次边值问题,先利用变量替换法,将其非齐次边值问题转化为齐次边值问题,再运用Galerkin方法证明其解的存在性。
To a class of Parabolic Equations with non -homogeneous boundary value problem , the method of variable replacement was used to transform the non -homogeneous boundary value problem into a homogeneous boundary value problem , and the Galerkin method was used to prove the existence of the solution .

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给出解析函数的复合边值逆问题的数学提法.利用已有的复合边值问题的结果,讨论此边值逆问题的可解性,并给出其可解条件和解的积分表达式.
The mathematical formulation of inverse compound boundary value problem for analytic functions is given. Based on the theory of compound boundary value problem in plane,the solvability of the inverse compound boundary val-ue problem is discussed.The solvable conditions and the integral representations of the solutions are obtained.
文中讨论了一类抛物方程非齐次边值问题的解法,利用变量替换法将非齐次边值问题转化为齐次边值问题,运用Rothe方法证明了其解的存在唯一性。
This paper discusses the solution about a class of Parabolic Equations with non-homogeneous boundary value problem,using the method of variable substitution to transform the non-homogeneous boundary value problem into a homogeneous boundary value problem,and using the Rothe methods to prove the existence and uniqueness of the solution.

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研究非线性脉冲微分方程边值问题,应用分歧技巧,得到非线性脉冲微分方程边值问题多个解的存在性结果。
The nonlinear boundary value problem of impulsive differential equations is studied in this paper.By using bifurcation techniques we investigate the existence of multiple solutions for the nonlinear boundary value problem of impulsive differential equations.

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研究了一类离散分数阶边值问题解的存在性.首先给出了该问题的解的表达式,再根据解的表达式定义一个算子,通过运用已知定理证明了此类边值问题解的存在性,然后将所得结论推广到高阶分数阶方程边值问题.
We consider the existence of the solution for a class of discrete fractional boundary value problem . First we present the expressions of its solutions ,and we define an operator by using the expression .Next we prove the existence of solutions for such boundary value problems by applying given theorem ,and generalize the conclusion to higher order boundary value problems .

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研究了一类分数阶微分方程边值问题。应用Green函数,将分数阶微分方程边值问题转化为等价的积分方程,利用Schaefer不动点定理和Leray-Schauder不动点定理得到了该边值问题存在解的充分条件,推广和完善了已有的结果。
A class of boundary value problem of fractional differential equation is studied.By the means of the Green′s function, the boundary value problem of fractional differential equation can be reduced to the equivalent integral equa-tion, and some sufficient conditions on the existence of solution for the boundary value problem are obtained by using Schaefer′s fixed point theorem and Leray-Schauder fixed point theorem.Some known results are extended and im-proved.

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研究了一类向量中立型抛物边值问题的振动性,借助内积降维方法和微积分技巧,建立了该类边值问题在Robin边值条件下所有解H-振动的若干新的充分条件,其中H是一个单位向量。
The oscillation for a class of vector neutral parabolic boundary value problems is investigated .By employing inner product reducing dimension method and calculus technique ,some new sufficient conditions for the H-oscillation of all solutions of the boundary value problems are established under Robin boundary value condition ,where H is a unit vector .

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研究了复合型第二种Weber方程的一类边值问题,经变量替换转换为变型的Hermite方程边值问题.通过引入左(右)相似核函数,得到边值问题的左区间解可由左区间相似核函数和左边界条件的系数进行组装,右区间解可由左边界条件的系数和左引解函数、交界面条件的系数和右相似核函数进行组装,证明了复合型第二种Weber方程组边值问题的解式具有相似结构,由此提出了求解该类边值问题的一个新解法——相似构造法.
A class of boundary value problem of the composite Second Weber system was investigated ,by us-ing the variable substitution ,the modified Hermite equations was obtained .By introducing left (right) similar kernel function ,the left interval solution of boundary value problem can be assembled by left similar kernel function and the coefficient of the left boundary condition ,the right interval solution of boundary value prob-lem can be assembled by right similar kernel function and the coefficient of the left boundary condition ,func-tion of left guide solution and the coefficient of interface conditions ,it is proved that the solution of boundary value problem of the composite second Weber system has the similar structure .And a new method is obtained for solving the composite boundary value problem ———similar constructing method (shortened as SCM ) .
研究了一类三阶两点边值问题,利用不动点定理得出了该边值问题在不同条件下正解的存在性.
In this paper, by using the fixed-point theorem of cone expansion-compression type due to Krasoselskil, we obtain the existence of positive solution to some nonlinear singular third-order two-point boundary value problems

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