By using a new three-solution theorem, we obtain the existence and multiplicity of positive solutions for fourth-order boundary value problem.
讨论了四阶边值问题，通过应用一个新的三解定理，得到了其解的存在性与多重性。
The two iterative schemes of symmetric positive solution are studied for a two-point boundary value problem by the help of monotonic technique.
对一类两点边值问题给出了对称正解的两种单调迭代格式，主要工具是单调算子迭代技巧。
Using the boundary-value problem of holomorphic function and method of mathematical physics, we obtained the expression of solution for above mentioned problem.
利用全纯函数的边值问题与数学物理方法，得到了此类边值问题的解的表示式。
The convergence of the formal series solution to the initial boundary value problem for the non-homogeneous wave equation is considered.
考虑非齐次波动方程初边值问题的形式级数解的收敛性问题。
By using the method of multiple scales and the comparison theorem, the asymptotic behavior of solution for the initial boundary value problem is studied.
利用多重尺度法和比较定理，研究了初始边值问题解的渐近性态。
An existence theorem of positive solution is established for a superlinear second-order three-point boundary value problem. Here, the nonlinear term is bounded below and need not be nonnegative.
建立了超线性二阶三个边值问题的一个正解存在定理。这里，非线性项是下有界的并且不需要是非负的。
In this paper the boundary value problem for a neutral hyperbolic differential equation is studied. A new method for judgement of oscillation solution is obtained and is spreded known results.
研究了一类中立型双曲型泛函微分方程边值问题，得到了判定解是振动的新的方法，推广了已有的结果。
For the determinate problem, the final solution is composed of the corner concentrated force solution, the body force solution and the computed boundary-value condition solution.
广义静定问题解由角点集中力解、体力分量解和计算边值条件解组成，这三种解要满足不同的变形协调条件，必须分别计算。
For the determinate problem, the final solution is composed of the corner concentrated force solution, the body force solution and the computed boundary-value condition solution.
广义静定问题解由角点集中力解、体力分量解和计算边值条件解组成，这三种解要满足不同的变形协调条件，必须分别计算。
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