Gives the equivalent characterizations of collective pullback,I-pullback and generlized pullback by means of terminal object,inverse limit and direct product respectively.
从终对象、逆向极限、直积等方面给出集体拉回、I-拉回及广义拉回的等价刻划。
We consider the direct limit and inverse limit of operator spaces, and use it to define the infinite Haagerup tensor product of operator spaces.
本文用算子空间的定向极限和逆向极限定义了算子空间的无限Ｈａａｇｅｒｕｐ张量积；证明了Ｈｉｌｂｅｒｔ 列空间的无限Ｈａａｇｅｒｕｐ张量积与 Ｈｉｌｂｅｒｔ空间的无限张量积是相容的。
However,as for the problem of determining the function expression s undetermined constant when the function limit has been known, that is,the solution to the limit reverse problem,we still stay in the stage to do individual isolated exercise oddly.
对于已知函数表达式求其极限的问题,已经有圆满的结果,但是,若已知函数的极限,确定其函数表达式中的待定常数,即极限逆向问题的求解,人们只是处于零星作单个孤立的习题。
The inverse limits of normal weakly ■-refinable spaces;
正规弱■-可加空间的逆极限
On inverse limits proposition of normal strong screenable spaces;
正规强可遮空间的逆极限性质
Hereditarily collectionwise subnormality and hereditarily σ-collectionwise normality of inverse limits;
逆极限的遗传集体次正规性与遗传σ-集体正规性
The inverse limits and direct limits in category of CoFrm;
范畴CoFrm的逆极限和定向极限
The inverse limits properties of σ-cf-expandable spaces
σ-cf-可膨胀空间的逆极限性质
In this paper,three sufficient conditions for the inverse limits on tree using Markov bonding map being indecomposable, being homeomorphic to tree T, being a ray limiting to a continuum, are given respectively.
本文针对树T上的Markov映射f,结合f对应的关联矩阵的特点 ,就f的逆极限不可分 ,f的逆极限同胚于树T ,f的逆极限是一拓扑射线R趋于一连续统Y1,f的逆极限含有不可分子连续统这四种情形分别给出一个充分条件 。
This paper studies the minimal sets for the inverse limit shifts of axiom A inducing self covering mappings by means of axiom A*,and proves that their topologic dimensions are zero.
通过公理Ａ＊研究了公理Ａ自覆盖映射的逆极限序的极小集，证明了其拓朴维数为零。
Its inverse limit space is lim←(X,f),and σ is the shift map on lim←(X,f).
令(X,d)为一紧致度量空间,f∶X→X为连续满射,其逆极限空间为lim←(X,f),σ为lim←(X,f)上的转移映射,主要证明若f为M artelli混沌的当且仅当σ为M artelli混沌的。
This paper studies continuous onto map of a compact metric space and topological sequence entroy property of the shift map in the inverse limit space and generalized specification property of the shift map in the inverse limit space.
研究了紧致度量空间上的连续满射f:X→X和逆极限空间上移位映射σf:Xf→Xf的拓扑序列熵的性质和逆极限空间上移位映射的广义spec ification性质。
The following results about the shift maps on the inverse limit spaces are proved: (1) If f is onto ,then f possesses the Korner s property if and only if the shift map has the Korner s property; (2) The f is chaotic in the sense of Li_Yorke on its measure centre if and only if the shift map is chaotic in the sense of Li_Yorke on its measure centre.
证明了关于X的逆极限空间的转移映射具有下列结论 :(1)若 f是连续满射 ,则f具有Korner性质的充要条件是转移映射具有Korner性质 ;(2 ) f在其测度中心上是Li_Yorke混沌的当且仅当转移映射在其测度中心上是Li_Yorke混沌的 ,对Devaney混沌也如此 。
The Absoluteness of the Direct Limits and Converse Limits in Its Origgin;
本原类中直接极限与逆极限的绝对性
Inverse Iimits and Infinite Tychonoff Produces About B_i-Expandable Spaces
关于可膨胀空间的逆极限及无限Tychonoff积
The inverse limits properties of σ-cf-expandable spaces
σ-cf-可膨胀空间的逆极限性质
Φ-mixing and Weakly Φ-sensitivity of Shift Maps on the Inverse Limit Spaces
逆极限空间上移位映射的Φ-混合和弱Φ-敏感
Rigidity and (Almost) Equicontinuity for the Shift Maps on the Inverse Limit Spaces;
逆极限空间上的移位映射的(几乎)等度连续性和刚性
Several Sufficient Conditions on Inverse Problem of a Limit;
一个常用极限逆问题成立的几个充分条件
A Probe into the Free Reversible Cycle Efficiency and Its Limit;
任意可逆循环效率及其极限问题的探讨
The Simulation Research to Improve the Arc Welding Inverter Power Output Limit
弧焊逆变电源功率输出极限改进的仿真研究
The Inverse Problem of Using Derivative Definition to Solve an Kind of Limit Problems
关于一类利用导数定义求极限问题的逆问题
Existence and Uniqueness of Limit Cycle of a Reversible Trimolecular Reaction Model
可逆三分子反应模型的极限环存在性和唯一性
The Periodic Orbits and Limit Cycles of a Family of Reversible Systems of Degree Four in R~3
R~3中一类四次可逆系统的周期轨与极限环问题
reverse gate current
逆门极电流反向栅电流
reverse conducting triode thyristor
逆导三极晶体闸流管
ultimate bond capacity [ground]
极限黏结力〔土地〕
ultimate friction capacity [ground]
极限摩擦力〔土地〕
reach a [the, its] saturation point
达到饱和点 [极限]
ultimate bearing capacity [ground]
极限承载力〔土地〕
