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An upper bound of the reachability index for a special class of positive 2-D systems.

Bailo, Esteban ; Gelonch, Josep ; Romero-Vivo, Sergio

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p. 1-12

The Electronic Library of Mathematics
Matrices of positive polynomials.

Handelman, David

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p. 2-89

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Operator norms of words formed from positive-definite matrices.

Drury, Stephen W.

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p. 13-20

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The anti-symmetric ortho-symmetric solutions of the matrix equation ATXA=D.

Xiao, Qing-Feng ; Hu, Xi-Yan ; Zhang, Lei

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p. 21-29

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Spectra of weighted compound graphs of generalized Bethe trees.

Rojo, Oscar ; Medina, Luis

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p. 30-57

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The numerical radius of a weighted shift operator with geometric weights.

Chien, Mao-Ting ; Nakazato, Hiroshi

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p. 58-63

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Erratum to “A note on the largest eigenvalue of non-regular graphs”.

Liu, Bolian ; Mu-Huo, Liu ; You, Zhifu

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p. 64-68

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Schur complements of generally diagonally dominant matrices and a criterion for irreducibility of matrices.

Zhang, Cheng-Yi ; Luo, Shuanghua ; Xu, Chengxian ; Jiang, Hongying

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p. 69-87

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The structure of linear preservers of left matrix majorization on ℝp.

Khalooei, Fatemeh ; Salemi, Abbas

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p. 88-97

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Paths of matrices with the strong Perron-Frobenius property converging to a given matrix with the Perron-Frobenius property.

Elhashash, Abed ; Rothblum, Uriel G. ; Szyld, Daniel B.

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p. 90-97

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Sign patterns that require eventual positivity or require eventual nonnegativity.

Ellison, Elisabeth M. ; Hogben, Leslie ; Tsatsomeros, Michael J.

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p. 98-107

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Block representations of the Drazin inverse of a bipartite matrix.

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

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p. 98-107

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Sign patterns that allow eventual positivity.

Berman, Abraham ; Catral, Minerva ; Dealba, Luz Maria ; Elhashash, Abed ; Hall, Frank J. ; Hogben, Leslie ; Kim, In-Jae ; Olesky, Dale D. ; Tarazaga, Pablo ; Tsatsomeros, Michael J. ; van den Driessche, Pauline

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p. 108-120

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An angle metric through the notion of Grassmann representative.

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

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p. 108-116

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Some results on the group inverse for block matrices over skew fields.

Bu, Changjiang ; Zhao, Jiemei ; Zhang, Kuize

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p. 117-125

The Electronic Library of Mathematics
Sign patterns that require or allow power-positivity.

Catral, Minerva ; Hogben, Leslie ; Olesky, Dale D. ; van den Driessche, Pauline

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p. 121-128

The Electronic Library of Mathematics
On the minimum rank of not necessarily symmetric matrices: a preliminary study.

Barioli, Francesco ; Fallat, Shaun M. ; Hall, H.Tracy ; Hershkowitz, Daniel ; Hogben, Leslie ; Van Der Holst, Hein ; Shader, Bryan

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p. 126-145

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Totally positive completions for monotonically labeled block clique graphs.

Johnson, Charles R. ; Negron, Cris

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p. 146-161

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Generating potentially nilpotent full sign patterns.

Kim, In-Jae ; Olesky, Dale D. ; Shader, Bryan L. ; Van Den Driessche, Pauline ; Van Der Holst, Hein ; Vander Meulen, Kevin N.

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p. 162-175

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The Q-matrix completion problem.

Dealba, Luz Maria ; Hogben, Leslie ; Sarma, Bhaba Kumar

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p. 176-191

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On the maximum positive semi-definite nullity and the cycle matroid of graphs.

Van Der Holst, Hein

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p. 192-201

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Largest eigenvalues of the discrete p-Laplacian of trees with degree sequences.

Biyikoglu, Tuerker ; Hellmuth, Marc ; Leydold, Josef

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p. 202-210

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Matrices totally positive relative to a tree.

Johnson, Charles R. ; Costas-Santos, Roberto S. ; Tadchiev, Boris

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p. 211-221

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Maps on positive operators preserving Lebesgue decompositions.

Molnár, Lajos

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p. 222-232

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The distance matrix of a bidirected tree.

Bapat, Ravindra B. ; Lal, Arbind K. ; Pati, Sukanta

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p. 233-245

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Description of all solutions of a linear complementarity problem.

Rohn, Jiri

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p. 246-252

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Polynomial numerical hulls of order 3.

Afshin, Hamid Reza ; Mehrjoofard, Mohammad Ali ; Salemi, Abbas

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p. 253-263

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The symmetric minimal rank solution of the matrix equation AX=B and the optimal approximation.

Xiao, Qing-Feng ; Hu, Xi-Yan ; Zhang, Lei

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p. 264-271

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Left eigenvalues of 2×2 symplectic matrices.

Macias-Virgos, E. ; Pereira-Saez, M.J.

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p. 274-280

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The Jordan forms of AB and BA.

Lippert, Ross A. ; Strang, Gilbert

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p. 281-288

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A new solvable condition for a pair of generalized Sylvester equations.

Wang, Qing-Wen ; Zhang, Hua-Sheng ; Song, Guang-Jing

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p. 289-301

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On low rank perturbations of complex matrices and some discrete metric spaces.

Glebsky, Lev ; Rivera, Luis Manuel

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p. 302-316

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Explicit solutions of regular linear discrete-time descriptor systems with constant coefficients.

Bruell, Tobias

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p. 317-338

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M∨-matrices: a generalization of M-matrices based on eventually nonnegative matrices.

Olesky, Dale D. ; Tsatsomeros, Michael J. ; van den Driessche, Pauline

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p. 339-351

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Full rank factorization and the Flanders theorem.

Cantó, Rafael ; Ricarte, Beatriz ; Urbano, Ana M.

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p. 352-363

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On 𝒞-commuting graph of matrix algebra.

Raja, P. ; Vaezpour, S.M.

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p. 364-370

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Linearizations of singular matrix polynomials and the recovery of minimal indices.

De Terán, Fernando ; Dopico, Froilán M. ; Mackey, D.Steven

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p. 371-402

The Electronic Library of Mathematics
Universally optimal matrices and field independence of the minimum rank of a graph.

Dealba, Luz M. ; Grout, Jason ; Hogben, Leslie ; Mikkelson, Rana ; Rasmussen, Kaela

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p. 403-419

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On the singular two-parameter eigenvalue problem.

Muhic, Andrej ; Plestenjak, Bor

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p. 420-437

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Short proofs of theorems of Mirsky and Horn on diagonals and eigenvalues of matrices.

Carlen, Eric A. ; Lieb, Elliott H.

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p. 438-441

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On the inverse eigenvalue problems: the case of superstars.

Fernandes, Rosario

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p. 442-461

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On spectra perturbation and elementary divisors of positive matrices.

Ccapa, Javier ; Soto, Ricardo L.

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p. 462-481

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Additive rank-one nonincreasing maps on Hermitian matrices over the field GF(22).

Orel, Marko ; Kuzma, Bojan

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p. 482-499

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Forty necessary and sufficient conditions for regularity of interval matrices: A survey.

Rohn, Jiri

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p. 500-512

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Minimum rank of edge subdivisions of graphs.

Barrett, Wayne ; Bowcutt, Ryan ; Cutler, Mark ; Gibelyou, Seth ; Owens, Kayla

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p. 530-563

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Generalized Pascal triangles and Toeplitz matrices.

Moghaddamfar, Ali Reza ; Pooya, S.M.H.

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p. 564-588

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An algorithm for solving the absolute value equation.

Rohn, Jiri

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p. 589-599

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Group inverses for matrices over a Bézout domain.

Cao, Chongguang ; Li, Juyan

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p. 600-612

The Electronic Library of Mathematics
Representations for the Drazin inverse of bounded operators on Banach space.

Cvetković-Ilić, Dragana S. ; Wei, Yimin

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p. 613-627

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Zero-nonzero patterns for nilpotent matrices over finite fields.

Vander Meulen, Kevin N. ; Van Tuyl, Adam

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p. 628-648

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Rational orthogonal versus real orthogonal.

Đoković, Dragomir Ž. ; Severini, Simone ; Szöllősi, Ferenc

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p. 649-673

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Spectrally arbitrary complex sign pattern matrices.

Gao, Yubin ; Shao, Yanling ; Fan, Yizheng

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p. 674-692

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Explicit polar decomposition of complex matrices.

Horn, Roger A. ; Piazza, Giuseppe ; Politi, Tiziano

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p. 693-699

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Two inverse eigenproblems for symmetric doubly arrow matrices.

Pickmann, Hubert ; Egana, Juan C. ; Soto, Ricardo L.

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p. 700-718

The Electronic Library of Mathematics
On the characterization of graphs with pendent vertices and given nullity.

Liu, Bolian ; Huang, Yufei ; Chen, Siyuan

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p. 719-734

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On λ1-extremal non-regular graphs.

Liu, Bolian ; Huang, Yufei ; You, Zhifu

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p. 735-744

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Algebraic reflexivity for semigroups of operators.

Bračič, Janko

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p. 745-760

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Partial isometries and EP elements in rings with involution.

Mosić, Dijana ; Djordjević, Dragan S.

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p. 761-772

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Disjoint unions of complete graphs characterized by their Laplacian spectrum.

Boulet, Romain

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p. 773-783

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Subdominant eigenvalues for stochastic matrices with given column sums.

Kirkland, Stephen J.

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p. 784-800

The Electronic Library of Mathematics
The eigenvalue distribution on Schur complement of nonstrictly diagonally dominant matrices and general H-matrices.

Zhang, Cheng-Yi ; Luo, Shuanghua ; Xu, Fengmin ; Xu, Chengxian

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p. 801-820

The Electronic Library of Mathematics