There are two important types of problems for center-type differential equations, one of which is the problem of weak foci and the Hopf bifurcations, while another is the problem of weak centers and bifurcations of critical periods.
第一章绪论介绍了中心型微分方程的基础知识,包括平衡点、细焦点、中心、k阶细中心、等时中心和局部临界周期分岔的定义和周期系数引理,并介绍了近年来中心焦点问题和中心与细中心问题方面的发展情况,还概括了本文的主要工作和结果。
We also prove it is locally bounded.
引进一个新的函数空间M- 1 -有界变差函数空间并研究它成为准范空间的条件 进一步证明了它是局部有界
Proves that (a)every locally pseudoconvex TVS admifs PB B property,(b)X is locally bounded if and only if it is locally pseudobounded and locally pseudoconvex,(c)there is not any non zero continuous linear operator mapping a pseudobounded TVS into a TVS with T 0 and PB B property.
证明了:(a)局部拟凸的TVS具有PB-B性质;(b)局部有界当且仅当局部拟有界且局部拟凸;(c)不存在从拟有界TVS到具有PB-B性质且满足T0公理的TVS的非零连续线性算子。
The concept of locally bounded Bi-continuous cosine operator functions is introduced combine with the locally bounded properties of operators.
‖)和局部凸拓扑(X,τ)的Banach空间上,又结合算子的局部有界性,引入了局部有界双连续函数的概念,并研究了其生成元及生成元的若干性质。
Introducing the difinition of bounded set in fuzzy paranormed linear space , this paper discusses several concerned characteristics and studies the local boundedness of fuzzy paranormed linear space.
引进Fuzzy赋准范线性空间中的有界集概念,并讨论了有关性质,研究了Fuzzy赋准范线性空间的局部有界性。
On Rate of Convergence of Baskakov-Bézier Operators for Locally Bounded Functions
局部有界函数的Baskakov-Bézier算子的收敛阶
A Local Boundedness Preparation Theorem of a Certain Functional Minimizer on Newton Spaces
Newton空间中某类泛函极小的局部有界性预备定理
Generator and Properties of Locally Bounded Bi-Continuous Cosine Operator Functions
局部有界双连续余弦算子函数的生成元及其性质
locally totally bounded uniform space
局部全有界一致空间
ultrabornological locally convex space
超有界型局部凸空间
The Asymptotic Trace of Dirac Eigenvalue Problem with Unlocal Boundary Conditions;
带有非局部边界条件的Dirac算子的迹
The Boundedness of Operators on Herz-type Spaces on Locally Compact Vilenkin Groups;
算子在局部紧的Vilenkin群上的Herz型空间上的有界性
Boundary Properties of Vector-Valued Regular Functions;
局部凸空间中向量值正则函数的有界性
Existence of Solutions to a Parabolic Systems with Non-Local Boundary Conditions;
带有非局部边界条件的抛物方程组解的存在性
Bounds of the Local Bases for Some Primitive Non-Powerful Signed Digraphs
某类本原不可幂定号有向图局部基的界
Effective Stiffness of Composites Ceramics Containing Partial Debonding Interface
局部脱粘界面陶瓷复合材料的有效刚度
There was much that was dim and nebulous in that world, but he saw it as a whole and not in detail, and he saw, also, the way to master it.
那个世界有些部分还暧昧不明,但他看到的是全局而不是细部,而且看到了主宰那个世界的道路。
APPLICATION OF FRACTURE MECHANICS AND BEM TO STRAIN LOCALIZATION PROBLEMS IN A FINITE BODY
断裂力学及边界元法在有限体应变局部化问题中的应用
Research on the Coupling of Finite Element Method and Local Boundary Integral Equation for Plane Problem in Linear Elasticity;
线弹性平面问题有限元法与无网格局部边界元法的耦合研究
Well-Posedness of a Coupled Problem of Local Submodel with Linear Boundary Conditions;
具有线性边界条件的局部子模型的耦合问题的适定性
Boundedness of Spherical Local Maximal Operator for Radial Functions in the Plane;
球面局部极大算子在二维向径函数空间上的有界性
Blow-up of Solutions to the Reaction-diffusion Systems with Non-local Boundary Conditions;
带有非局部边界条件的反应——扩散方程组解的爆破
Local Artificial Boundary Conditions for One-dimensional Burgers' Equation
一维Burgers方程的一类具有局部性质的人工边界条件