微分同胚,diffeomorphism
1)diffeomorphism微分同胚
1.In this paper,we discuss smoothly conjugating equivalence of some local diffeomorphisms with hy- perbolic fixed points on finite dimensional space.考虑有限维线性空间中的一类局部微分同胚在双曲不动点O附近的光滑共轭等价问题。
2.In the paper several counterexamples of diffeomorphism used in analysis are constructed.文章构造了微分同胚在分析学中的一些反例,对点集拓扑,泛函分析中相关问题的理解和认识有益处。
3.We mainly discuss that diffeomorphism can keep Poisson structure on Poisson manifold.讨论了微分同胚对Poisson流形上Poisson结构的保持 ,得到了微分同胚所诱导的Poisson括号的一些性质 ,最后 ,还得到了有关Poisson流形上的Casimir函数在微分同胚作用下仍然是Casimir函数这一有用的定
英文短句/例句

1.Various Inverse Shadowing Properties of Diffeomorphism on the Hyperbolic Invariant Set;微分同胚f在双曲不变集上的各种反跟踪性
2.Limit Inverse Shadowing Property and Strong Inverse Shadowing Property of a Diffeomorphism f in Dynamical Systems;动力系统中微分同胚f的极限反跟踪性和强反跟踪性
3.The Effect of the Different Hemopoietic Microenvironment on the Differentiation of Hemopoietic Cells from Human Embryonic Stem Cells;不同造血微环境对诱导人胚胎干细胞向造血细胞分化的影响
4.The Expression of Nestin of Rat Embryonic Pancrea and the Method Establish of Micro-dissection of Embryonic Pancreatic;大鼠胚胎胰腺巢蛋白的表达及早期胚胎胰腺显微分离方法的建立
5.Metanephric Cells Microenvironment Induces Differentiation of Embryonic Stem Cells Toward Renal Cells胚胎后肾细胞微环境诱导胚胎干细胞向肾脏细胞分化的实验研究
6.Studies of Differentiation of Mammalia Early Embryo by Using the Microbeam of Laser使用激光微束研究哺乳动物早期胚胎分化
7.Analyses of Genetic Effects on Several Characters in Micro-Endosperm Super High Oil Maize;微胚乳超高油玉米几个性状的遗传效应分析
8.Analysis of Genetic Effects on Grain Oil Content in Micro-endosperm Super-high Oil Maize微胚乳超高油玉米子粒含油率的遗传效应分析
9.Role of microRNA in self-renew and differentiation of embryonic stem cells微RNA在胚胎干细胞自我更新和分化中的作用
10.Analysis on Applied Effects of the Coating for Special Use in Micro-endosperm Maize微胚乳玉米专用型种衣剂应用效果分析
11.Observation on ER Ultrastructures in Several Human Embryonic Cells with Different Gestations不同龄人胚胎儿数种细胞内质网超微结构的观察
12.Comparison of Ultrastructure of Callus During Induction of Japonica Rice Plants不同粳稻品种成熟胚诱导过程愈伤组织超微结构的比较
13.Influence of microwave on the extraction of soybean germ protein and soybean oligosaccharides微波预处理对同步提取大豆胚芽中蛋白质和低聚糖的影响
14.Are differences in the developmental capacities of the egg and embryo paralleled by the distribution of metabolites?卵和胚发育能力的不同是否被代谢分布所平衡?
15.The Analysis of Proteome in Longan Embryos during Different Development Stages;龙眼胚胎发育不同时期的蛋白质组分析
16.Differential Proteome Analysis of the Fetal Heart Tissue in the Embryo Different Developmental Stage;小鼠胚胎发育不同时期心脏差异蛋白质组分析
17.Studies on in Vitro Culture of Different Types of Embryos and Genetic Diversity Analysis of Regenerated Plants in Bitter Gourd (Momordica Charantia L.)苦瓜不同类型胚的植株再生及遗传多样性分析
18.Induction and Differentiation of Wheat Mature Embryos in Different Genotypes不同基因型小麦成熟胚愈伤组织的诱导与分化
相关短句/例句

diffeomorphic微分同胚
1.In this paper, we study the property of Riemannian manifold satisfying Nash inequality, and prove that for any complete n-dimensional Riemannian manifold with nonnegative Ricci curvature, if the Nash inequality is satisfied and the Nash constant is more than the best Nash constant, then the manifold is diffeomorphic to Rn.本文通过对满足Nash不等式的黎曼流形的研究,证明了对任一完备的Ricci曲率非负的n维黎曼流形,若它满足Nash不等式,且Nash常数大于最佳Nash常数,则它微分同胚于Rn。
2.In this paper, we use the property of the smooth cut-off function to prove the following result: for any n-dimensional complete Riemannian manifold with nonnegative Ricci curvature, if one of the Nash inequalities is satisfied, then it is diffeomorphic to Rn .运用光滑截断函数的性质,证明了对任一n维完备的黎曼流形,若它的Ricci曲率非负,且满足一个Nash不等式,则它微分同胚于Rn。
3.It is paper our proved that a complete noncompact n-dimensional Riemanian manifolds M with Ric(M)≥-(n-1) is of a finite topological type or is diffeomorphic to Rn when its excess is bounded by a constant.证明了Ric(M)≥-(n-1)完备非紧的n维黎曼流形M,若其上某一点的Excess函数有上界(常数)时,M就具有有限拓扑型或微分同胚于Rn。
3)CR diffeomorphismCR微分同胚
1.Every smooth CR homeomorphism from a real hypersurface of finite type to a real hypersurface in C~n is a CR diffeomorphism.证明了Cn中有限型实超曲面到另一个实超曲面的每一个光滑CR同胚必定是CR微分同胚
4)diffeomorphism group微分同胚群
5)Anosov diffeoemorphismAnosov微分同胚
6)diffeomorphism transformation微分同胚变换
1.Due to its underactuated characteristic, two sub-systems are obtained based on the diffeomorphism transformation and input transform.针对其欠驱动的特性,借助微分同胚变换及控制输入变换将其转化为两个子系统,分别设计状态反馈控制律,从而得到了原系统的具有指数收敛速率的时变光滑反馈镇定律,实现闭环系统所有状态全局指数收敛至平衡点。
延伸阅读

微分同胚微分同胚diffeomorphisni  微分同胚【山压绷即巾随翻;月f.中中eoMop中“,MI,可微同胚(di挽ren石a陇11on笠幻订助印恤m),光滑同胚(srnoothhom印mo印恤m) 从微分流形M(例如在E成lid空间中的区域)到微分流形N中的一对一的连续可微,且其逆映射也连续可微的映射f:M~N.若f(M)二N,则说M和N是微分同胚的(d诉由morpha).从微分拓扑的观点来看,微分同胚的流形有相同的性质,感兴趣的是在微分同胚意义下的流形的分类(除小维数的情形外,这个分类与同胚(hon℃olllorphism)意义下的较粗糙的分类不一致). 虽然名词“微分同胚”是较近期引人的,实际在数学中长时间用的大量的变换及变量代换都是微分同胚,而许多变换族都是微分同胚的群.特别地,这适用于在流形上保持了一个附加结构(例如接触结构,辛结构,共形结构或复结构)的微分同胚.过去,这样的微分同胚有特别的名称(在上面的例子里是接触变换,标准映射,共形映射及双全纯映射),这些名称在近期(20世纪70年代)常用带有一个保持结构特征的修饰词的“微分同胚”术语来代替(例如用“辛微分同胚”代替“标准变换”). 一个流形M到它自身上的所有微分同胚的群D湃M(在D湃M中,已用恰当的方式引进了材卜)的拓扑(更精确地,同伦)性质已经被研究过.它们可以是意外地复杂(例如见[l],[4],[51,其中也包括一些评论和参考).这个问题是与同伦拓扑中的许多重要问题(例如与球面的同伦群)相联系的.原则上,D湃M的性质的认识会有助于解决这些问题,但在目前(1978)情况看起来几乎是相反的:在D盯M的研究中的进展包括问题的已知特点的使用,或者充其量是与这些问题的解决平行地、用同样方法实现的.关于一个闭n维流形的C‘类(包括r=①的情形)微分同胚的群的代数性质,已经证明:如果r沪n+1,则它的单位连通分支是单群,即没有非平凡的正规子群(nonml sub脚uP;见【2』,【3』;对于r=n+l,情形不清楚).至于一个非闭的n维流形M,已经证明,通过微分同胚的连续族ft(O(t(1,f0=1,;人二f)(其中了,不移动某个(依赖于族f:的)紧集外部的点)可以与恒等映射1,连接的C(r笋”十l)类的所有微分同胚f组成的群是单群.【补注】紧2维流形的微分同胚的分类在【AI]中介绍.对3维或更低维的流形,用微分同胚,同胚和组合等价的分类是一致的;见【Asl,汇A6].对维数。)5的紧单连通流形M:,从,得到微分同胚的最有用的工具之一是S浏众的儿配边定理(h一cobo川ismt坛幻-~)(IA71),也见[A4」:M.和城是微分同胚的,如果存在一个n+1维的紧流形N,它的边界是不交并M.U MZ,并且M:和峡二者都是N的形变收缩核(见形变收缩核(山匆爪以tlon reti习ct);h配边(h一cobor-dism)).事实上,在这种情形下N微分同胚于Ml(或从)与闭单位区间的Descart巴积. 许多进一步的结果是通过将h配边定理与代数和微分拓扑等其他工具结合在一起而得到的;见IAI】,〔A31