[PDF] Top 20 abs_vol18_pp289-301. 28KB Jun 04 2011 12:05:47 AM

... Supported by the Natural Science Foundation of China 60672160, the Scientific Research Innovation Foundation of Shanghai Municipal Education Commission 09YZ13, and Key Disciplines of Sha[r] ... Lihat dokumen lengkap

... The main question raised here is the following one: Given a real orthogonaln×n matrixX, is it true that there exists a rational orthogonal matrixY having the same zero-pattern?. It is c[r] ... Lihat dokumen lengkap

... Jordan form, Weyr characteristic, eigenvalues AMS subject classifications.15A21, 15A18 ∗Received by the editors May 5, 2009.. 281 Electronic Journal of Linear Algebra ISSN 1081-3810 [r] ... Lihat dokumen lengkap

... †Institute of Mathematics, Department of Geometry and Topology, University of Santiago de Compostela, Spain [email protected].. Partially supported by FEDER and Research Project MTM2[r] ... Lihat dokumen lengkap

... ELA THE SYMMETRIC MINIMAL RANK SOLUTION OF THE MATRIX EQUATION AX=B AND THE OPTIMAL APPROXIMATION∗ QING-FENG XIAO†, XI-YAN HU†, AND LEI ZHANG† Abstract.. By applying the matrix rank [r] ... Lihat dokumen lengkap

... ‡Department of Mathematics, Shahid Bahonar University of Kerman, Kerman, Iran, and Center of Excellence in Linear Algebra and Optimization of Shahid Bahonar University of Kerman, Iran s[r] ... Lihat dokumen lengkap

... †Institute of Computer Science, Czech Academy of Sciences, Prague, and School of Business Ad-ministration, Anglo-American University, Prague, Czech Republic [email protected].. Electronic[r] ... Lihat dokumen lengkap

... †Department of Mathematics and Statistics, University of Victoria, Victoria, British Columbia, Canada V8W 3R4 [email protected], [email protected].. ‡Department of Computer Science, Unive[r] ... Lihat dokumen lengkap

... ELA THE STRUCTURE OF LINEAR PRESERVERS OF LEFT MATRIX MAJORIZATION ONRP ∗ FATEMEH KHALOOEI† AND ABBAS SALEMI† Abstract.. For vectors X, Y ∈Rn,Y is said to be left matrix majorized by[r] ... Lihat dokumen lengkap

... As is well known, the Schur complements of strictly or irreducibly diagonally dom-inant matrices are H−matrices; however, the same is not true of generally diagonally dominant matrices..[r] ... Lihat dokumen lengkap

... Leydold, Largest eigenvalues of degree sequences], which led to an incorrect proof of the main result of [B.L.. This paper presents a correct proof of the main result in [B.L.[r] ... Lihat dokumen lengkap

... Then the numerical range ofT is a closed disk about the origin, and its numerical radius is determined in terms of the reciprocal of the minimum positive root of a hypergeometric functi[r] ... Lihat dokumen lengkap

... Weighted graph, Generalized Bethe tree, Laplacian matrix, Adjacency matrix, Spectral radius, Algebraic connectivity.. Accepted for publication December 30, 2008.[r] ... Lihat dokumen lengkap

... ELA ON LOW RANK PERTURBATIONS OF COMPLEX MATRICES AND SOME DISCRETE METRIC SPACES∗ LEV GLEBSKY† AND LUIS MANUEL RIVERA‡ Abstract.. In this article, several theorems on perturbations [r] ... Lihat dokumen lengkap

... Uhlig, Explicit polar decomposition and a near-characteristic polynomial: The 2×2 case, Linear Algebra Appl., 38:239–249, 1981], the author gives a representation for the factors of the[r] ... Lihat dokumen lengkap

... LetGbe a connected non-regular graph withnvertices, maximum degree ∆ and minimum degreeδ, and letλ1be the greatest eigenvalue of the adjacency matrix ofG.. In this paper, by studying th[r] ... Lihat dokumen lengkap

... For a simple undirected graph G, the corresponding signless Laplacian matrix is defined asDG +AG in whichDG andAG are degree matrix and adjacency matrix ofG, respectively.. The graph G [r] ... Lihat dokumen lengkap

... Given two graphsG1, with vertices 1,2, ..., nand edgese1, e2, ..., em, andG2, the edge coronaG1⋄G2ofG1andG2is defined as the graph obtained by takingmcopies ofG2and for each edgeek=ijof[r] ... Lihat dokumen lengkap

... We solve the matrix equationX A+AX∗= 0, whereA∈Cn×n is an arbitrary given square matrix, and we compute the dimension of its solution space.. This dimension coincides with the codimensi[r] ... Lihat dokumen lengkap

... In this paper, an explicit formula is found in terms ofnandrfor the minimum exponent achieved by matrices inPnr.. Moreover, matrices achieving that exponent are given in this paper.[r] ... Lihat dokumen lengkap