Home > ELA > Vol. 23 (2012)

## ELA Volume 23 (2012)

## Articles

Sign patterns that allow strong eventual nonnegativity

M. Catral, C. Erickson, L. Hogben, D. D. Olesky, and P. van den Driessche

Incidence matrix and cover matrix of nested interval orders

Yaokun Wu and Shizhen Zhao

Note on positive semidefinite maximum nullity and positive semidefinite zero forcing number of partial 2-trees

J. Ekstrand, C. Erickson, D. Hay, L. Hogben, and J. Roat

Strong linear preservers of g-tridiagonal majorization on R^n

Ali Armandnejad and Zahra Gashool

The characterization of primitive symmetric loop-free signed digraphs with the maximum base

Lihua You and Shuyong Yi

On bipartite graphs which attain minimum rank among bipartite graphs with given diameter

Hong-hai Li, Li Su, and Hui-xian Sun

Minimum rank of powers of trees

Luz M. DeAlba, Jason Grout, In-Jae Kim, Steve Kirkland, Judith J. McDonald, and Amy Yielding

A generalization for the clique and independence numbers

A. Dilek Maden and A. Sinan Cevik

Bounds of spectral radii of K_{2,3}-minor free graphs

Guanglong Yu, Jinlong Shu, and Yuan Hong

PostLie algebra structures on the Lie Algebra SL(2,Ca)

Yu Pan, Qing Liu, Chengming Bai, and Li Guo

Positive and completely positive cones and Z-transformations

M. Seetharama Gowda

On the Brualdi-Li matrix and its Perron Eigenspace

J. Burk and Michael Tsatsomeros

New conditions for the reverse order laws for {1,3} and {1,4}-generalized inverses

Dragana S. Cvetkovic-Ilic

On maximal distances in a commuting graph

Gregor Dolinar, Bojan Kuzma, and Polona Oblak

Two special kinds of least squares solutions for the quaternion matrix equation AXB+CXD=E

Shi-fang Yuan and Qing-wen Wang

The product distance matrix of a tree and a bivariate zeta function of a graphs

R. B. Bapat and S. Sivasubramanian

A new eigenvalue bound for the Hadamard product of an M-matrix and an inverse M-matrix

Fubin Chen, Yaotang Li, and Defeng Wang

Ordering trees by the minimal entries of doubly stochastic graph matrices

Shuchao Li and Qin Zhao

Orthosymmetric block rotations

Sanja Singer

Some results on the spectral radii of trees, unicyclic and bicyclic graphs

Muhuo Liu and Bolian Liu

Bicyclic digraphs with extremal skew energy

Xiaoling Shen, Yoaping Hou, and Chongyan Zhang

A class of unicyclic graphs determined by their Laplacian spectrum

Xiaoling Shen and Yaoping Hou

Notes on graphs with least eigenvalue at least -2

Jianfeng Wang, Yufa Shen, and Qiongxiang Huang

On colored digraphs with exactly one nonsingular cycle

Debajit Kalita

An extension of the class of matrices arising in the numerical solutions of PDEs

Cheng-Yi Zhang, Shuanghua Luo, Jicheng Li, and Fengmin Xu

Representations for the Drazin inverse of block cyclic matrices

M. Catral and P. van den Driessche

The m-competition indices of symmetric primitive digraphs without loops

Yanling Shao, Yubin Gao, and Zhongshan Li

The smallest signless Laplacian eigenvalue of graphs under perturbation

Chang-Xiang He and Hao Pan

Rational invariants on the space of all stuctures of algebras on a two-dimensional vector space

J. Munoz Masque and M. Eugenia Rosado Maria

Bishop's property, SVEP and Dunford Property

Salah Mecheri

Spectral properties for a new composiiton of a matrix and a complex representation

Zhiping Lin, Yongzhi Liu, Giuseppe Molteni, and Dongye Zhang

Palindromic linearizations of a matrix polynomial of odd degreee obtained from Fiedler pencils with repetition

M. I. Bueno and S. Furtado

On the numerical range of the weighted shift operators with geometric and harmonic weights

Adiyasuren Vandanjav and Batzorig Undrakh

Perturbation analysis of A_{T,S}^(2) on Banach Spaces

Fapeng Du and Yifeng Xue

On the spectral radii of graphs without given cycles

Wanlian Yuan, Bing Wang, and Mingqing Zhai

The behavior of the complete eigenstructure of a polynomial matrix under a generic rational transformation

Vanni Noferini

A note on power bounded matrices

R. E. Hartwig and P. Patricio

GUT-majorization and its linear preservers

Ali Armandnejad and Asma Ilkhanizadeh Manesh

Topological properties of the set of preservers of majorization

F. Bahrami and A. Bayati Eshkaftaki

Lower bounds for the Estrada index

Yilun Shang

Some majorization inequalities for coneigenvalues

Hans de Sterck and Minghua Lin

Interest zone matrix approximation

Gil Shabat and Amir Averbuch

Analysis and reformulation of linear delay differential-algebraic equations

Phi Ha and Volker Mehrmann

Allow problems concerning spectral properties of patterns

Michael S. Cavers and Shaun M. Fallat

Singular points of the ternary polynomials associated with 4-by-4 matrices

Mao-ting Chien and Hiroshi Nakazato

A new parallel polynomial division by a separable polynomial via hermite interpolation with applications, pp. 770-781.

Aristides I. Kechriniotis; Konstantinos K. Delibasis,; Christos Tsonos; and Nicholas Petropoulos

Maxima of the Q-index: abstract graph properties

Nair M.M. de Abreu and Vladimir Nikiforov

Opinion dynamics with stubborn vertices

Yaokun Wu and Jian Shen

On generalized Schur complement of nonstrictly diagonally dominant matrices and general H-matrices

Cheng-Yi Zhang, Yan Zhu, Shuanghua Luo, and Jicheng Li

A generalization of matrix inversion with application to linear differential-algebraic systems

Yuri M. Nechepurenko and Miloud Sadkane

Structure-preserving Schur methods for computing square roots of real skew-Hamiltonian matrices

Zhongyun Liu, Yulin Zhang, Carla Ferreira, and Rui Ralha

A note on block representations of the group inverse of Laplacian matrices

Changjiang Bu, Lizhu Sun, Jiang Zhou, and Yimin Wei

When can perfect state transfer occur?

Chris Godsil

Relationship between the Hyers-Ulam Stability and the Moore-Penrose inverse

Qianglian Huang and Mohammad Sal Moslehian

Zero forcing number, maximum nullity, and path cover number of subdivided graphs

Minerva Catral, Anna Cepek, Leslie Hogben, My Huynh, Kirill Lazebnik, Travis Peters, and Michael Young

A four-vertex, quadratic, spanning forest polynomial identity

Aleksandar Vlasev and Karen Yeats

The (signless) Laplacian spectral radii of c-cyclic graphs with n vertices and k pendant vertices

Muhuo Liu

Eventual properties of matrices

Leslie Hogben and Ulrica Wilson

Scaling properties of paths on graphs

Roderick Edwards, Eric Foxall, and Theodore J. Perkins

On the approximation of ergodic projections and stationary distributions of stochastic matrices

Bernd Schomburg

Iterative method for the least squares problem of a matrix equation with tridiagonal matrix constraint

Huawei Pan and Yuan Lei

Quasihyponormal and strongly hyponormal matrices in inner product spaces

Ivana M. Radojevic and Dragan S. Djordjevic

Decomposition of a ring induced by minus partial order

Dragan S. Rakic