[PDF] Top 20 abs_vol20_pp468-489. 26KB Jun 04 2011 12:05:48 AM

... Weighted generalizations of Hoffman’s ratio bound on the independence number of a regular graph are surveyed.. Several known bounds are reviewed as special cases of modest extensions.[r] ... Lihat dokumen lengkap

... Supported by the Claude Shannon Institute, Science Foundation Ireland Grant 06/MI/006 and Stokes Professorship award, Science Foundation Ireland Grant 07/SK/I1252b.. Electronic Journal o[r] ... Lihat dokumen lengkap

... In this paper, a number of new techniques are developed in order to be able to determine possible inertias of general graphs: covers with cliques, covers with cliques and clique-stars, a[r] ... Lihat dokumen lengkap

... This paper considers the maximum value of the permanent over the classHm, n of n×nHessenberg, 0,1-matrices withm1’s, and shows that among those matrices that attain the maximum value the[r] ... Lihat dokumen lengkap

... In this paper, by using majorization inequalities, upper bounds on summations of eigenvalues including the trace of the solution for the Lyapunov matrix differential equation are obtaine[r] ... Lihat dokumen lengkap

... We study analogues of classical inequalities for the eigenvalues of sums of Hermitian matrices for the cone of admissible elements in the pseudo-Hermitian case.. In particular, we obtain[r] ... Lihat dokumen lengkap

... Kantorovich type inequality, Linear space, Bilinear operation, Preorder, C∗ -algebra, Unital positive map, Matrix.. Accepted for publication February 14, 2010.[r] ... Lihat dokumen lengkap

... None of the usual floating point numerical techniques available for solving the quadratic matrix equationAX2+BX+C= 0 with square matricesA, B, CandX, can provide an exact solution; they [r] ... Lihat dokumen lengkap

... Electronic Journal of Linear Algebra ISSN 1081-3810 A publication of the International Linear Algebra Society Volume 20, pp.[r] ... Lihat dokumen lengkap

... In this paper, it is shown that among connected graphs with maximum clique sizeω, the minimum value of the spectral radius of adjacency matrix is attained for a kite graphP Kn−ω,ω, whi[r] ... Lihat dokumen lengkap

... The first author is supported by a grant from Tianyuan Funds of China 10826065 and a grant from Youth Funds of Shanxi 2009021002; the second author is supported by a grant from National [r] ... Lihat dokumen lengkap

... In this paper, we study the Moore-Penrose inverse of a symmetric rank-one perturbed matrix from which a finite method is proposed for the minimum-norm least-squares solution to the syste[r] ... Lihat dokumen lengkap

... A key tool to obtain these bounds is using some Hermitian matrices which are, in the sense of Loewner matrix ordering, below the Hermitian part ofAor, more generally, below the Hermitian[r] ... Lihat dokumen lengkap

... We present an index reduction method based on derivative arrays that allows to determine an equivalent second order system of lower index in a numerical computable way.. For such an equi[r] ... Lihat dokumen lengkap

... Applying the properties of the Hadamard core of totally nonnon-negative matrices, the Schur complement inequalities for the Hadamard product of totally nonnegative matrices is ob-tained,[r] ... Lihat dokumen lengkap

... This work is supported by the Foundation for Distinguished Young Talents in Higher Education of Guangdong, China No.. †Department of Applied Mathematics, South China Agricultural Univers[r] ... Lihat dokumen lengkap

... This paper obtains all solvable 3-Lie algebras with them-dimensional filiform 3-Lie algebraN m≥5 as a maximal hypo-nilpotent ideal, and proves that them-dimensional filiform 3-Lie alge[r] ... Lihat dokumen lengkap

... ‡Department of Mathematics, Iowa State University, Ames, IA 50011, USA [email protected] & American Institute of Mathematics, 360 Portage Ave, Palo Alto, CA 94306 [email protected].. [r] ... Lihat dokumen lengkap

... A graphGis bipartite if and only if the negative of each eigenvalue ofGis also an eigenvalue ofG.It is said that a graph has property R, ifGis nonsingular and the reciprocal of each of [r] ... Lihat dokumen lengkap

... Supported by the National Natural Science Foundation of China under grant 10871051, Shanghai Municipal Education Commission Dawn Project and Shanghai Municipal Science and Technology Com[r] ... Lihat dokumen lengkap