研究抽象空间微分方程周期解的存在性一直是比较困难的问题。
It is a difficult problem studying the existence of periodic solutions of differential equation in abstract Spaces.
并将抽象结果应用到超线性微分方程两点边值问题。
Finally, the abstract results are applied to superlinear two-point boundary value problems.
本文从混凝土坝分层浇筑坝体温度的实际问题中，抽象出一类抛物偏微分方程组的混合问题，并且证明了其广义解的存在唯一。
In this paper, an abstract mixed problem of a class parabolic differential equations is generalized from the dam body temperature during the stratified placement of concrete dam.
本文从混凝土坝基渗流控制问题中抽象出由椭圆偏微分方程混杂问题所支配的系统的最优线态控制问题 。
This paper presents the optimal linewise control problem of the system governed by elliptic partial differential equations from the osmotic problem for the basis of concrete dam.
本文从混凝土坝基渗流控制问题中抽象出由椭圆偏微分方程混杂问题所支配的系统的最优线态控制问题 。
This paper presents the optimal linewise control problem of the system governed by elliptic partial differential equations from the osmotic problem for the basis of concrete dam.
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