Published: 2023-02-09

Article

Minimal rank weak Drazin inverses: a class of outer inverses with prescribed range

Cang Wu, Jianlong Chen

1-16

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Flat portions on the boundary of the numerical range of a 5 × 5 companion matrix

Swastika Saha Mondal, Sarita Ojha, Riddhick Birbonshi

17-32

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Hypocoercivity and hypocontractivity concepts for linear dynamical systems

Franz Achleitner, Anton Arnold, Volker Mehrmann

33-61

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The Graham-Hoffman-Hosoya-type theorems for the exponential distance matrix

Zhibin Du, Rundan Xing

62-70

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A permanent inequality for positive semidefinite matrices

Vehbi E. Paksoy

71-77

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The maximum spectral radius of graphs with a large core

Xiaocong He, Lihua Feng, Dragan Stevanović

78-89

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The inverse Horn problem

João Filipe Queiró, Ana Paula Santana

90-93

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The Moore-Penrose inverse of the distance matrix of a helm graph

I. Jeyaraman, T. Divyadevi, R. Azhagendran

94-109

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Linear maps that preserve parts of the spectrum on pairs of similar matrices

Constantin Costara

110-116

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Fields of U-invariants of matrix tuples

Aleksandr Panov

117-123

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On low-dimensional partial isometries

Qixiao He, Ilya Spitkovsky, Ibrahim Suleiman

124-135

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Products of skew-involutions

Jesus Paolo Joven, Agnes Paras

136-150

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The matrix inverse Young inequality

Stephen Drury

151-153

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Centered PSD matrices with thin spectrum are M-matrices

Karel Devriendt

154-163

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Adapted AZNN methods for time-varying and static matrix problems

Frank Uhlig

164-180

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Relation between the row left rank of a quaternion unit gain graph and the rank of its underlying graph

Qiannan Zhou, Yong Lu

181-198

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Refinement of von Neumann-type inequalities on product Eaton triples

Marek Niezgoda

199-213

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Expressions and characterizations for the Moore-Penrose inverse of operators and matrices

Patricia Morillas

214-241

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On the numerical range of Kac-Sylvester matrices

Natália Bebiano, Rute Lemos, Graça Soares

242-259

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Multi-alternating sign matrices

Richard Brualdi, Geir Dahl

260-281

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Graph degeneracy and orthogonal vector representations

Lon Mitchell

282-285

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Bounding real tensor optimizations via the numerical range

Nathaniel Johnston, Logan Pipes

286-306

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Positive and negative square energies of graphs

Aida Abiad, Leonardo de Lima, Dheer Desai, Krystal Guo, Leslie Hogben, José Madrid

307-326

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Nullities of cycle-spliced bipartite graphs

Sarula Chang, Jianxi Li, Yirong Zheng

327-338

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Extremal problems for the eccentricity matrices of complements of trees

Iswar Mahato, M. Rajesh Kannan

339-354

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A new method to improve the efficiency and accuracy of incremental singular value decomposition

Hansi Jiang, Arin Chaudhuri

355-378

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Reverse order law and forward order law for the (b, c)-inverse

Jelena Visnjic, Ivana Stanisev, Yuanyuan Ke

379-394

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Preservers of the p-power and the Wasserstein means on 2x2 matrices

Richárd Simon, Dániel Virosztek

395-408

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On the sum of the k largest absolute values of Laplacian eigenvalues of digraphs

Xiuwen Yang, Xiaogang Liu, Ligong Wang

409-422

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Pareto H-eigenvalues of nonnegative tensors and uniform hypergraphs

Lu Zheng, Bo Zhou

423-433

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Orthogonal realizations of random sign patterns and other applications of the SIPP

Zachary Brennan, Christopher Cox, Bryan Curtis, Enrique Gomez-Leos, Kimberly Hadaway, Leslie Hogben, Conor Thompson

434-459

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Decompositions of matrices into a sum of invertible matrices and matrices of fixed nilpotence

Peter Danchev, Esther García, Miguel Gómez Lozano

460-471

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Periodic two-dimensional descriptor systems

Peter Benner, Paul Van Dooren

472-490

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Unicyclic graphs and the inertia of the squared distance matrix

Christian Howell, Mark Kempton, Kellon Sandall, John Sinkovic

491-515

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On condition numbers of quaternion matrix inverse and quaternion linear systems with multiple right-hand sides

Qiaohua Liu, Shan Wang, Fengxia Zhang

516-532

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The inverse of a symmetric nonnegative matrix can be copositive

Robert Reams

533-538

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