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Volume 34 (2018)

Articles

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New Contributions to Semipositive and Minimally Semipositive Matrices
Projesh Nath Choudhury, Rajesh M. Kannan, and K. C. Sivakumar

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Norm Inequalities Related to Clarkson Inequalities
Fadi Alrimawi, Omar Hirzallah, and Fuad Kittaneh

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Block Representation and Spectral Properties of Constant Sum Matrices
Sally L. Hill, Matthew C. Lettington, and Karl Michael Schmidt

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Correlation Matrices with the Perron Frobenius Property
Phelim P. Boyle and Thierno B. N'Diaye

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Average Mixing Matrix of Trees
Chris Godsil, Krystal Guo, and John Sinkovic

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On the maximal numerical range of some matrices
Ali N. Hamed and Ilya M. Spitkovsky

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Semipositivity of linear maps relative to proper cones in finite dimensional real Hilbert spaces
Chandrashekaran Arumugasamy, Sachindranath Jayaraman, and Vatsalkumar N. Mer

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Ranks of quantum states with prescribed reduced states
Chi-Kwong Li, Yiu-Tung Poon, and Xuefeng Wang

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Inertia sets allowed by matrix patterns
Adam H. Berliner, Dale D. Olesky, and Pauline van den Driessche

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Proof of a Conjecture of Graham and Lovasz concerning Unimodality of Coefficients of the Distance Characteristic Polynomial of a Tree
Ghodratollah Aalipour, Aida Abiad, Zhanar Berikkyzy, Leslie Hogben, Franklin H.J. Kenter, Jephian C.-H. Lin, and Michael Tait

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Spectral Bounds for the Connectivity of Regular Graphs with Given Order
Aida Abiad, Boris Brimkov, Xavier Martinez-Rivera, Suil O, and Jingmei Zhang

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Explicit Block-Structures for Block-Symmetric Fiedler-like pencils
M. I. Bueno, Madeline Martin, Javier Perez, Alexander Song, and Irina Viviano

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Gershgorin type sets for eigenvalues of matrix polynomials
Christina Michailidou and Panayiotis Psarrakos

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Vector Cross Product Differential and Difference Equations in R^3 and in R^7
Patrícia D. Beites, Alejandro P. Nicolás, Paulo Saraiva, and José Vitória

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A note on linear preservers of semipositive and minimally semipositive matrices
Projesh Nath Choudhury, Rajesh Kannan, and K. C. Sivakumar

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Resolution Of Conjectures Related To Lights Out! And Cartesian Products
Bryan A. Curtis, Jonathan Earl, David Livingston, and Bryan L. Shader