1)  extensor
扩张子
1.
We characterize the countable paracompactness of normal spaces by the existence of continuous selections for l s c closed convex set valued mappings on locally convex Fréchet spaces An extensor class including separable Banach spaces of countable paracompactness is give
对正规空间的可数仿紧性用其到可分局部凸Fre′chet空间的下半连续闭凸集值映射的连续选择存在性加以刻划,作为应用给出了包括可分Banach空间在内的可数仿紧性的一类扩张子
2)  spanning sub-graph
扩张子图
3)  expanding subspace
扩张子空间
4)  expanding subspace theorem
扩张子空间定理
1.
Complete proof of expanding subspace theorem;
扩张子空间定理的完整证明
5)  EST
扩张子空间技巧
1.
Xie for computing multiple solutions of nonlinear elliptic equation, the Expand-Subspace-Technique (EST) is supplied to optimize the rough initial value to ensure computational convergence, and the Morse theory is introduced into the SEM to explore the property of the solution meaningfully.
本文在陈传淼、谢资清提出的一种全新的计算非线性椭圆型方程多解的搜寻延拓法(SEM)的基础上,通过扩张子空间技巧(EST)优化初始值,保证计算的收敛性;同时引入Morse指标理论,对多解的性态进行了有益的探索,首次对二维情形描述了多解的Morse指标及解的性态的关系。
6)  expand
扩张
1.
Treatment effect of submental artery skin flap and expanded cervical flap on chin scar;
颏下动脉皮瓣联合颈部扩张皮瓣修复颏部瘢痕
2.
The harmonious request and countermeasure of university culture construction against the background of expanding higher educaiton;
高等教育扩张背景下大学文化建设的和谐要求与对策
3.
From 1930s, the United States political system of "Separation of Powers" has change greatly with the presents drastic power expanding.
20世纪30年代以来,美国的"三权分立"政治体制发生了变化,总统权力获得了急剧扩张,总统逐渐成为美国的权力中心。
参考词条
补充资料:极大扩张和极小扩张


极大扩张和极小扩张
maximal and minimal extensions

  极大扩张和极小扩张匡.习的司出目.公油抽lex妇心.旧;MaKcl.Ma刀‘.oe H Mll.”M田.妇oe PaC山一Pe皿朋] 一个对称算子(s笋nr贺苗c opemtor)A的极大扩张和极小扩张分别是算子牙(A的闭包,(见闭算子(cfo“月。详mtor”)和A’(A的伴随,见伴随算子(呐。int opera.tor)).A的所有闭对称扩张都出现在它们之间.极大扩张和极小扩张相等等价于A的自伴性(见自伴算子(义休.adjoint operator)),并且是自伴扩张唯一性的必要和充分条件.A.H.J’Ior朋oB,B.c.lll户、MaR撰
  
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