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EIGENVECTOR: 作品数：79被引量：90H指数：4; 导出分析报告; 相关领域：理学更多>>; 相关作者：程时昕刘希玉杨维赵世佳林令娟更多>>; 相关机构：密西西比大学东南大学天津师范大学山东师范大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家教育部博士点基金国家重点基础研究发展计划福建省自然科学基金更多>>

Community-Preserving Social Graph Release with Node Differential Privacy: 《Journal of Computer Science & Technology》2023年第6期1369-1386,共18页张森倪巍伟付楠; A preliminary version of the paper was published in the Proceedings of ICDM 2020;supported by the National Natural Science Foundation of China under Grant No.61772131;the Science and Technology Project of the State Grid Corporation of China under Grant No.5700-202018268A-0-0-00.; The goal of privacy-preserving social graph release is to protect individual privacy while preserving data util-ity.Community structure,which is an important global pattern of nodes,is a crucial data utility as it is ...; 关键词：differential privacy social graph community structure private eigenvector

A Note on the Aα-Spectral Radius of a Graph: 《Journal of Mathematical Research with Applications》2023年第1期1-8,共8页Hongzhang CHEN Jianxi LI; Supported by the National Natural Science Foundation of China(Grant No.12171089);the Natural Science Foundation of Fujian Province(Grant No.2021J02048).; Let G be a simple graph of order n and ρα(G) be the Aα(G)-spectral radius of G.In this note,for any vertex viof G,we establish the relationship between ρα(G) and ρα(G-vi).; 关键词：GRAPH Aα-spectral radius Principal eigenvector

Spectral clustering eigenvector selection of hyperspectral image based on the coincidence degree of data distribution: 《International Journal of Digital Earth》2023年第1期3489-3512,共24页Zhongliang Ren Qiuping Zhai Lin Sun; supported by the[National Key Research and Development Program]under Grant[number 2019YFE0126700];[Shandong Provincial Natural Science Foundation]under Grant[number ZR2020QD018].; Spectral clustering is a well-regarded subspace clustering algorithm that exhibits outstanding performance in hyperspectral image classification through eigenvalue decomposition of the Laplacian matrix.However,its cla...; 关键词：Eigenvector selection spectral clustering coincidence degree of data distribution hyperspectral mineral mapping

Nondegeneracy of eigenvectors and singular vector tuples of tensors: 《Science China Mathematics》2022年第12期2483-2492,共10页Shenglong Hu; supported by National Natural Science Foundation of China(Grant No.11771328);Young Elite Scientists Sponsorship Program by Tianjin and the Natural Science Foundation of Zhejiang Province of China(Grant No.LD19A010002)。; In this article, nondegeneracy of singular vector tuples, Z-eigenvectors and eigenvectors of tensors is studied, which have found many applications in diverse areas. The main results are:(ⅰ)each(Z-)eigenvector/singul...; 关键词：tensor singular vector tuple EIGENVECTOR Z-eigenvector NONDEGENERACY generic

The spatial patterns and determinants of internal migration of older adults in China from 1995 to 2015被引量：1: 《Journal of Geographical Sciences》2022年第12期2541-2559,共19页LIU Ye HUANG Cuiying WU Rongwei PAN Zehan GU Hengyu; National Natural Science Foundation of China,No.42001153,No.42001161。; Although China was one of the countries with the fastest-growing aging population in the world,limited scholarly attention has been paid to migration among older adults in China.The full picture of their migration in ...; 关键词：interprovincial migration older adults eigenvector spatial filtering negative binomial regression models China

Total Graphs Are Laplacian Integral: 《Algebra Colloquium》2022年第3期427-436,共10页David Dolžan Polona Oblak; the financial support from the Slovenian Research Agency(research core funding No.P1-0222).; We prove that the Laplacian matrix of the total graph of a finite commutative ring with identity has integer eigenvalues and present a recursive formula for computing its eigenvalues and eigenvectors.We also prove tha...; 关键词：EIGENVALUE EIGENVECTOR Laplacian matrix total graph Laplacian integral

An enhanced method for estimating snow water equivalent in the central part of the Tibetan Plateau using raster segmentation and eigenvector spatial filtering regression model被引量：1: 《Journal of Mountain Science》2022年第9期2570-2586,共17页CHENG Qi-shan CHEN Yu-min YANG Jia-xin CHEN Yue-jun XIONG Zhe-xin ZHOU An-nan; funded by the National Key S&T Special Projects of China(grant number:2018YFB0505302);the National Nature Science Foundation of China(grant number:41671380)。; Snow water equivalent(SWE)is an important factor reflecting the variability of snow.It is important to estimate SWE based on remote sensing data while taking spatial autocorrelation into account.Based on the segmentat...; 关键词：Snow water equivalent Tibetan Plateau Raster segmentation Parallel eigenvector spatial filtering

The Least Eigenvalue of Unicyclic Graphs with Application to Spectral Spread被引量：1: 《Algebra Colloquium》2022年第2期265-272,共8页Jiming Guo Gege Zhang Zhiwen Wang Panpan Tong; supported by NSFC(No.12171154).; Let U^(g)_(n)be the set of connected unicyclic graphs of order n and girth g.Let C(T_(1),T_(2),…,T_(g))∈U^(g)_(n)be obtained from a cycle v_(1)v_(2)…v_(g)v_(1)(in an anticlockwise direction)by identifying v_(i)with...; 关键词：adjacency matrix least eigenvalue EIGENVECTOR unicyclic graph

The Maximum α-spectral Radius of Unicyclic Hypergraphs with Fixed Diameter: 《Acta Mathematica Sinica,English Series》2022年第5期924-936,共13页Li Ying KANG Jing WANG Er Fang SHAN; Supported by the National Nature Science Foundation of China(Grant Nos.11871329,11971298)。; For 0≤α<1,theα-spectral radius of an r-uniform hypergraph G is the spectral radius of A_(α)(G)=αD(G)+(1-α)A(G),where D(G)and A(G)are the diagonal tensor of degrees and adjacency tensor of G,respectively.In this ...; 关键词：Unicyclic hypergraph α-spectral radius principal eigenvector DIAMETER pendant edge

The Solely Use of the “Hydraulic-Diameter” Concept Is Not Sufficient to Describe Correctly Non-Symmetric Flow in Conduits: 《Open Journal of Fluid Dynamics》2021年第4期210-250,共41页Christos Krimizis-Tsatsoulis; A well-known cornerstone in fluid mechanics is the equations that relate the friction factor to the Reynolds number obtained from the measurements in cylindrical cross-sectional tubes. The extension of these equations...; 关键词：Fluid Mechanics Hydraulic Diameter Flow in Annuli Flow in Ducts Flow of Two Adjacent Immiscible Fluids Eigenvectors-Eigenvalues

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