Home > ELA > Vol. 17 (2008)

## ELA Volume 17 (2008)

## Articles

A new equivalent condition of the reverse order law for G-inverses of multiple matrix products

Bing Zheng and Zhiping Xiong

Constructing copositive matrices from interior matrices

Charles R. Johnson and Robert Reams

Linearization of regular matrix polynomials

Peter Lancaster

On the exponent of e-regular primitive matrices

Maribel I. Bueno and Susana Furtado

Interior points of the completely positive cone

Mirjam Duer and Georg Still

A note on the largest eigenvalue of non-regular graphs

Bolian Liu and Gang Li

The reflexive re-nonnegative definite solution to a quaternion matrix equation

Qing-Wen Wang and Fei Zhang

On a mean value theorem in the class of Herglotz functions and its applications

Alexander L. Sakhnovich and Lev A. Sakhnovich

The minimum spectral radius of graphs with a given clique number

Dragan Stevanovic and Pierre Hansen

The Drazin inverse through the matrix pencil approach and its application to the study of generalized linear systems with rectangular or square coefficient matrices

Grigoris I. Kalogeropoulos, Athanasios D. Karageorgos, and Athanasios A. Pantelous

Unicyclic graphs with strong reciprocal eigenvalue property

Sasmita Barik, Milan Nath, Sukanta Pati, and Bhaba Kumar Sarma

On the spectra of Johnson graphs

Mike Krebs and Anthony Shaheen

Krein spaces numerical ranges and their computer generation

Natalia Bebiano, Joao da Providencia, Ana Cristina Nata, and Maria da Graca Pereira Soares

Sign patterns that require a positive or nonnegative left inverse

In-Jae Kim and Bryan L. Shader

Group inverses of matrices with path graphs

Minerva Catral, Dale D. Olesky, and Pauline van den Driessche

Perturbation of purely imaginary eigenvalues of Hamiltonian matrices under structured perturbations

Volker Mehrmann and Hongguo Xu

On the Brualdi-Liu conjecture for the even permanent

Ian M. Wanless

Nonnegative matrices with prescribed elementary divisors

Ricardo L. Soto and Javier Ccapa

Linear preservers of left matrix majorization

Fatemeh Khalooei, Mehdi Radjabalipour, and Parisa Torabian

Eigenvalues of partially prescribed matrices

Marija Dodig

On a classic example in the nonnegative inverse eigenvalue problem

Thomas J. Laffey and Helena Smigoc

On solutions to the quaternion matrix equation AXB+CYD=E

Qing-Wen Wang, Hua-Sheng Zhang, and Shao-Wen Yu

A further look into combinatorial orthogonality

Simone Severini and Ferenc Szollosi

On general matrices having the Perron-Frobenius Property

Abed Elhashash and Daniel B. Szyld

On minimal energies of trees with given diameter

Shuchao Li and Nana Li

Nonnegativity of Schur complements of nonnegative idempotent matrices

Shmuel Friedland and Elena Virnik

General preservers of quasi-commutativity on Hermitian matrices

Gregor Dolinar and Bojan Kuzma

Further results on the Craig-Sakamoto equation

John Maroulas

Normal matrix polynomials with nonsingular leading coefficients

Nikolaos Papathanasiou and Panayiotis Psarrakos

On a new class of structured matrices related to the discrete skew-self-adjoint Dirac systems

Bernd Fritzsche, Bernd Kirstein, and Alexander L. Sakhnovich

A parameterized lower bound for the smallest singular value

Wei Zhang, Zheng-Zhi Han, and Shu-Qian Shen

Matricial decomposition of systems over rings

Andres Saez-Schwedt

Isotropic subspaces for pairs of Hermitian matrices

Leiba X. Rodman

Sharp lower bounds for the dimension of linearizations of matrix polynomials

Fernando de Teran and Froilan M. Dopico

Zero minors of total positive matrices

Allan Pinkus

Certain matrices related to Fibonacci sequence having recursive entries

Ali Reza Moghaddamfar, S. Navid Salehy, and S. Nima Salehy

Linear algebra and the sums of powers of integers

Francois Dubeau

Additivity of maps on triangular algebras

Xuehan Cheng and Wu Jing

Fast computing of the Moore-Penrose inverse matrix

Vasilios N. Katsikis and Dimitrios Pappas