1) Laplacian spectrum
Laplace谱
1.
In the first two parts of this paper, we investigate two kinds of modifications and their relations with the Laplacian spectrum of trees, then give an order of trees which have smaller Laplacian spectra radi-u
首先研究了两种特殊的运算-“移接变形”和“剖分(收缩)”对树的Laplace谱半径的影响,然后利用这些结论对具有较小Laplace谱半径的树进行了排序。
2.
The spectral graph theory is one of the important fields of graph theory and combinatorial matrix theory,which mainly concerned with the spectrum,Laplacian spectrum and distance spectrum of a graph and is used widely in quantum chemistry, physics,Computer science,communication networks and information science and so on.
图的谱理论是图论和组合矩阵论的重要研究领域之一,主要涉及图的邻接谱,Laplace谱和距离谱等,在量子化学,物理,计算机科学,通讯网络以及信息科学等领域中均有广泛的应用。
2) Laplace Spectrum
Laplace谱
1.
This paper addresses the problem of ordering trees with diameter 3,denoted as S(a,b),where a≥b≥1,a+b+2=n,n-12≤a≤n-3,by using their Laplace spectrum.
主要讨论了对于直径为3的树S(a,b)(a≥b≥1,a+b+2=n,n-12≤a≤n-3)的Laplace谱排序,证明了它的Laplace谱半径μ(S(a,b))随a的值严格单调递增,而它的第2大Laplace特征值随a的值严格单调递减。
3) Laplacian spectral radius
Laplace谱半径
1.
In this note,the relations between the covering number of graph and the Laplacian spectral radius are investigated.
本文讨论图的点覆盖数与图的 Laplace谱半径的关系 ,利用特征向量的技巧得到由图的 L aplace谱半径所确定的关于图的点覆盖数的紧的
2.
B),2004,19(2): 140-148],the authors prove that up to signature isomorphisms U* is the unique graph which maximizes Laplacian spectral radius over all unicyclic mixed graphs on n vertices.
B),2004,19(2):140-148]中,作者证明了:在相差符号同构意下,在所有n个顶点上的单圈混合图中,U*是唯一的达到最大Laplace谱半径的混合图。
3.
In this thesis,we consider the extremal graphs about Laplacian spectral radius of bipartite graphs with k cut edges,bicyclic bipartite graphs,unicyclic graphs with fixed diameters,unicyclic graphs with k pendent edges;some graphs determined by their spectra;cospectral graphs;minimal distance spectral radius.
本论文主要研究了有k条割边的二部图,双圈二部图,有固定直径的单圈图以及有k条悬挂边的单圈图关于Laplace谱半径的极值图:由谱决定的一些图;同谱图;最小距离谱半径。
4) Laplace graph spectrum
Laplace图谱
1.
The method of multi-community finding in complex networks based on Laplace graph spectrum and K-Mean is provided.
分析了常见的社团发现算法的特点,以及谱二分法在实际应用中必须不断迭代才能完成多社团发现的不足,并提出了基于Laplace图谱和K-Means聚类算法的多社团发现方法,该方法是一个可视化的决策过程。
5) Laplace Defect Spectroscopy (LDS)
Laplace缺陷谱
6) spectrum of Laplace operator
Laplace算子的谱
补充资料：《佩文斋广群芳谱·药谱》
《佩文斋广群芳谱·药谱》 《佩文斋广群芳谱·药谱》 药学著作。又名《广群芳谱·药谱》。八卷。清·刘灏著。刊于1708年。本书为《佩文斋广群芳谱》卷九十三-一百，共收药物720余种，系在《二如亭群芳谱·药谱》的基础上增补而成。每种药物标记的“原”字下，均为《群芳谱》原文，“增”字下，为新增加的内容，特别是新增的“汇考”及“集藻”二项，补充各种文史资料尤为丰富。此外还新增补了一些新药。但却删去了原书中种植、修治、服食、疗治等内容。现存三种清刻本，及商务印局馆铅印本。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条