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Articles

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Symmetric nonnegative realization of spectra
Ricardo L. Soto, Oscar Rojo, Julio Moro, and Alberto Borobia

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More calculations on determinant evaluations
A. R. Moghaddamfar, S. M. H. Pooya, S. Navid Salehy, and S. Nima Salehy

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Inertially arbitrary nonzero patterns of order 4
Michael S. Cavers and Kevin N. Vander Meulen

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On the nullity of graphs
Bo Cheng and Bolian Liu

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On Roth's pseudo equivalence over rings
Robert E. Hartwig and Pedro Patricio

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Minimum rank of a graph over an arbitrary field
Nathan L. Chenette, Sean V. Droms, Leslie Hogben, Rana Mikkelson, and Olga Pryporova

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Products of commuting nilpotent operators
Damjana Kokol Bukovsek, Tomaz Kosir, Nika Novak, and Polona Oblak

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Maps preserving spectral radius, numerical radius, spectral norm
Chi-Kwong Li, Edward Poon, and Ashwin Rastogi

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Principal eigenvectors of irregular graphs
Sebastian M. Cioaba and David A. Gregory

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Products of M-matrices and nested sequences of principal minors
David A. Grundy, Charles R. Johnson, Dale D. Olesky, and Pauline van den Driessche

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Affine transformations of a Leonard pair
Kazumasa Nomura and Paul Terwilliger

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Class, dimension and length in nilpotent Lie algebras
Lisa Wood Bradley and Ernie L. Stitzinger

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Block distance matrices
R. Balaji and Ravindra B. Bapat