查询词典 Banach space

In this paper a class integral differential equation on Banach space is studied.Existence,uniqueness and regularity of mild solutions are proved.

研究了Banach空间上的一类非线性脉冲积微分方程温和解的存在唯一性以及其正则性。

The existence of periodic solutions to the second order ordinary differential equation in Banach space is discussed.

本文利用半序理论，非紧性测度，凝聚映射的拓扑度，不动点定理及锥上不动点指数理论，讨论了Banach空间E中二阶常微分方程周期边值问题解的存在性，主要结果有一。

We study several fixed point problems of a class of nonlinear operator,and obtain some new results in partial order Banach space .

研究了一类非线性算子的几个不动点问题，在偏序Banach空间得到了若干新的结果作为其应用，得到了Wm ，q空间中不动点的存在性定理同时，所得的定理改进了一些文献中的主要结

The purpose of this paper is to prove the existence of non-oscillatory solutions to second-order neutral time-lag differential equation with positive/negative coefficient by using contraction-image principle through defining an operator from a bounded,closed,and convex subset into Banach space.

通过定义有界闭凸子集到B anach空间上的一个算子，应用压缩映像原理讨论了带有正负系数的二阶中立型时滞微分方程非振动解的存在性，得到该方程非振动解存在的一个充分条件。

A Banach space X with a unconditional basis {xn} is said to have the property P if, every bounded block basis sequence of {xn} spans a complemented subspace of X.

称一个带无条件基｛xn｝的Banach空间有性质P，如果｛xn｝的每一有界块基序列都张成X的可补子空间。

In chapter 2, we define the abstract periodic three level bounded variation functions with range in a Banach space ?

其中第二章定义并研究了实Banach空间取值的抽象三级周期有界变差函数用抽象系数三角多项式逼近的性质。

Let X be a Banach space and ψ an analytic self-map of D. We characterize the weak compactness of the composition operator C〓 on the vectorvalued Nevanlinna classes N and N〓.

给出了向量值解析函数空间N与N〓上的复合算子C〓的弱紧性的刻画，这里X是一个Banach空间。

Secondly in§3.2 ,firstly we prove a new fixed point theorem on Banach space,and study the Sturm-Liourille boundary value problem with the theorem and some properities of concave function, then the existence of three positive solutions is gotten.

第二节，先证明一个新的锥上不动点定理，再利用此定理及凹函数的性质来研究边值问题，得到了三个正解的存在性。

This paper also starts with this point, we introduce the concepts of weak* continuous operator semigroup and its generator on the dual of a Banach space, and discuss its relevant contents.

本文也是从这个角度出发，引入了Banach空间的对偶空间上的弱~*连续算子半群及其生成元，并对相关内容进行了讨论。

In this paper the topological properties of solution set of non-autonomous differential inclusions are discussed,and the fact that the mild solution set of Cauchy is a retract of a convex subset of a Banach space is proved.

讨论了半线性微分包含解的拓扑性质，证明了非自治情况下其适度解集是一Banach空间的凸子集的收缩核，且收缩映射连续依赖于初值。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。