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Volume 35

Articles

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Surjective Additive Rank-1 Preservers on Hessenberg Matrices
PRATHOMJIT KHACHORNCHAROENKUL and Sajee Pianskool

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In-sphere property and reverse inequalities for matrix means
Trung Hoa Dinh, Tin-Yau Tam, and Bich Khue T Vo

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Diagonal Sums of Doubly Substochastic Matrices
Lei Cao, Zhi Chen, Xuefeng Duan, Selcuk Koyuncu, and Huilan Li

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Brauer's theorem and nonnegative matrices with prescribed diagonal entries
Ricardo L. Soto, Ana I. Julio, and Macarena A. Collao

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Potentially Eventually Positive 2-generalized Star Sign Patterns
Yu Ber-Lin, Ting-Zhu Huang, and Xu Sanzhang

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Non-sparse Companion Matrices
Louis Deaett, Jonathan Fischer, Colin Garnett, and Kevin N. Vander Meulen

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Matrix Shanks Transformations
Claude Brezinski and Michela Redivo-Zaglia

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On Orthogonal Matrices with Zero Diagonal
Robert F. Bailey and Robert Craigen

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On Sign Pattern Matrices that Allow or Require Algebraic Positivity
Diane Christine Pelejo and Jean Leonardo Abagat

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Alpha Adjacency: A generalization of adjacency matrices
Matt Hudelson, Judi McDonald, and Enzo Wendler

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SPN Graphs
Leslie Hogben and Naomi Shaked-Monderer

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The cone of Z-transformations on Lorentz cone
Sandor Zoltan Nemeth and Muddappa S. Gowda

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AN EIGENVALUE APPROACH FOR ESTIMATING THE GENERALIZED CROSS VALIDATION FUNCTION FOR CORRELATED MATRICES
Christos Koukouvinos, KHALIDE JBILOU, Marilena Mitrouli, and Ondrej Turek

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Parametrized solutions $X$ of the system $AXA = AY A$ and $A^k Y AX = XAY A^k$
David Ferreyra, Marina Lattanzi, Fabián Levis, and Néstor Thome

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Solution of symmetric positive semidefinite Procrustes problem
Peng Jingjing, Wang Qingwen, Peng Zhenyun, and Chen Zhencheng

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Tridiagonal pairs of type III with height one
Xue Li, Bo Hou, and Suogang Gao

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Computing Kemeny's constant for a barbell graph
Jane Breen, Steve Butler, Nicklas Day, Colt DeArmond, Kate Lorenzen, Haoyang Qian, and Jacob Riesen

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Absolutely compatible pairs in a von Neumann algebra
Nabin K. Jana, Anil K. Karn, and Antonio M. Peralta

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Eigenvalue continuity and Gersgorin's theorem
Chi-Kwong Li and Fuzhen Zhang