Little attention is on questions of existence of positive solutions for BVP of singular differential equation on measure chains and the relevant papers are few.

测度链上奇异微分方程边值问题正解的存在性，研究的人较少，相应的文献也要少的多。

We obtain the existence of positive solutions of BVP (3.1.1) and the existence interval of positive solutions of BVP (3.1.2), by using fixed point index theorems.

通过使用不动点指数定理，我们得到了问题(3.1.1)正解的存在性以及问题(3.1.2)正解的存在区间。

A comparison principle for nonlinear degenerate elliptic equation is derived, and a existence theorem of the coupled weak quasi-solutions of BVP for nonlinear degenerate elliptic systems is given.

建立非线往退缩椭圆型方程的比较原理并给出方程组边值问题耦合弱拟解的存在性定理。

We mainly consider nonlinear elliptic boundary value problem ( BVP ) in this thesis.

而对这类具有次线性项加超线性项的非线性椭圆偏微分方程的研究目前相对较少.

The BVP for first order discontinuous IDE with fixed times.

一阶脉冲微分方程泛函边值问题.

Existence of positive solutions of BVP for second order IDE with fixed moments.

二阶脉冲微分方程边值问题.

BVP 22 can mediate intercellular trafficking of fusion protein in vitro and in vivo.

在体内外BVP22均能够介导与其融合的蛋白在细胞间发生穿梭.

The boundary value ( problems ( BVP ) ) of the higher order ordinary differential equation were studied.

主要研究共振条件下高阶多点边值问题解的存在性.

As an application, considered a type of forth - order semilinear singular perturbed three point BVP.

作为该结果的应用, 考察了一类四阶半线性奇摄动三点边值问题,得到其解的存在性及其解的渐近估计.