Let G be a graph and let V(G) be the vertex set of G. Define the neighborhood complex N(G) as the simplicial complex whose simplices are those subsets of V(G) which have a common neighbor.
一个图G的邻域复形是以G的顶点为顶点，以G的具有公共邻接顶点的顶点子集为单形的抽象复形。
n my view this is increasingly how SaaS vendors are going to deliver clients - especially for complex enterprise applications.
依我看来，SaaS厂商如何部署客户端的问题越来越重要——尤其是复杂的企业应用。
Although the algorithm itself is complex, it is extremely efficient in practice and operates in o (log n) time.
虽然算法本身很复杂，但它在实践应用中的效率很高，可以按照o (logn)的时间操作。
fullprof A complex variable has real and imaginary parts written in the form b(x) = n(x) + iv(x) for two real-valued functions n(x) and v(x)
单复变量包含实数和虚数两部分，针对两个实值函数n(x) 和v(x)的表达式为：b(x) = n(x) +iv(x)。
Searching an optimized executive strategy for every complex query is the key of success for database development. In database field, it is still an N-P problem.
对于一个复杂的查询，寻找一个优化的执行策略是数据库系统开发成功的关键所在，此项研究目前在数据库领域仍属于N - P问题。
The principal environmental problem of landfill is leachate of which the water quality is complex, with high COD_ (cr) and high heavy metal ion concentration as well as high NH_3-N concentration.
生活垃圾填埋场对环境的主要影响是垃圾渗滤液，其水质复杂多变，具有高COD含量、高重金属离子和高nh_3 - N含量的特点。
Optimum location of nitrogen and vanadium in the V-N-vacancy complex is determined, according to the result of the positron annihilation lifetime experiment and minimizing the total energy.
根据正电子湮没寿命实验的结果和总能量极小原理，确定了V和N在V - N -空位复合体中的最佳占据位置。
The method was used in the complex area where the S/N ratio was poor and reflection residual static corrections were difficult to achieve success, which obtained good processing results.
将该方法应用于信噪比较低、反射波剩余静校正方法难以奏效的复杂地表区，获得良好处理效果。
When the new president, Andrew Hamilton, leaves his post at Oxford University to join N. Y. U. in January, he will be walking into a set of complex challenges.
新任校长安德鲁·汉密尔顿（Andrew Hamilton）将于明年1月份从牛津大学离职，加入纽约大学的领导队伍，届时他将会面对一系列复杂的挑战。
The bond characteristics and charge transfer in the V-N-vacancy complex are analyzed.
分析了V - N -空位复合体的成键特性和电荷转移情况。
There was very little fertilizer N residue left, most of which entered the organo-mineral complex, while a part of the soil N was activated.
化肥氮残留很少，大部分进入土壤有机无机复合体中，而部分土壤氮被活化。
New allyl lithium THF complex was prepared conveniently by the reaction of propene with n-butyl lithium in the presence of tetrahydrofuran.
在四氢呋喃存在下，将丙烯和丁基锂直接反应合成了未见文献报道的烯丙基锂四氢呋喃配合物。
In this paper, the preparation and electrochemical characteristics of carbon black microelectrode modified by cobalt (II) complex with N-salicylidene glutamic Acid are studied.
研究了水杨醛谷氨酸合钴修饰碳黑微电极的制备方法和修饰电极对一氧化氮的电催化氧化性能。
The paper obtains the growth of single-valued meromorphic solutions and finite branch solutions of differential equations in the complex plane and generalizes the results of n.
本文讨论了一类高阶代数微分方程的单值亚纯解和有限多分支解的增长性，推广了N。
The adjacent complex molecules 1 are linked by N-N bridge of the pentadentate ligand L1, resulting in an one-dimensional polymer.
其中，化合物1是一个以线性四核铜配合物为基本单元的一维链聚合物，此时水杨醛缩苯氧基乙酰腙配体L1是五啮配体。
In this paper, a new complex-valued blind equalization algorithm based on the feedforward neural network (N-FNN) is proposed.
提出了一种新的前馈神经网络(N - FNN)复值盲均衡算法。
The Beiyu trondhjemite, together with felsite porphyry and gabbro, forms an intrusive complex extending S-N in the western part of the Zhongtiao rift.
北峪奥长花岗岩 （体 ）位于中条裂谷的西部 ，和霏细斑岩及辉长岩组成侵入杂岩体 ，呈南北向展布。
The invention discloses a cyclic n-heterocyclic double-carbene metal complex which is connected through alkyl chain, a preparation method and the application.
本发明公开了通过烷基链连接的环状氮杂环双卡宾金属配合物及其制备方法与应 用。
The invention discloses a cyclic n-heterocyclic double-carbene metal complex which is connected through alkyl chain, a preparation method and the application.
本发明公开了通过烷基链连接的环状氮杂环双卡宾金属配合物及其制备方法与应 用。
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