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ELA Volume 17 (2008)

Articles

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On the exponent of e-regular primitive matrices
Maribel I. Bueno and Susana Furtado

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Unicyclic graphs with strong reciprocal eigenvalue property
Sasmita Barik, Milan Nath, Sukanta Pati, and Bhaba Kumar Sarma

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On the spectra of Johnson graphs
Mike Krebs and Anthony Shaheen

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Krein spaces numerical ranges and their computer generation
Natalia Bebiano, Joao da Providencia, Ana Cristina Nata, and Maria da Graca Pereira Soares

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Group inverses of matrices with path graphs
Minerva Catral, Dale D. Olesky, and Pauline van den Driessche

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Linear preservers of left matrix majorization
Fatemeh Khalooei, Mehdi Radjabalipour, and Parisa Torabian

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On solutions to the quaternion matrix equation AXB+CYD=E
Qing-Wen Wang, Hua-Sheng Zhang, and Shao-Wen Yu

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A further look into combinatorial orthogonality
Simone Severini and Ferenc Szollosi

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Normal matrix polynomials with nonsingular leading coefficients
Nikolaos Papathanasiou and Panayiotis Psarrakos

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A parameterized lower bound for the smallest singular value
Wei Zhang, Zheng-Zhi Han, and Shu-Qian Shen

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Certain matrices related to Fibonacci sequence having recursive entries
Ali Reza Moghaddamfar, S. Navid Salehy, and S. Nima Salehy

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Fast computing of the Moore-Penrose inverse matrix
Vasilios N. Katsikis and Dimitrios Pappas