On two conjectures regarding an inverse eigenvalue problem for acyclic symmetric matrices.
Barioli, Franceso, Fallat, Shaun M. (2004)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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Barioli, Franceso, Fallat, Shaun M. (2004)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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Pati, Sukanta (2001)
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Portugaliae mathematica
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Rojo, Oscar, Medina, Luis, De Abreu, Nair M.M., Justel, Claudia (2010)
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Hogben, Leslie (2005)
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Stephen J. Kirkland, Neumann, Michael, Bryan L. Shader (1998)
Czechoslovak Mathematical Journal
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Let be an symmetric, irreducible, and nonnegative matrix whose eigenvalues are . In this paper we derive several lower and upper bounds, in particular on and , but also, indirectly, on . The bounds are in terms of the diagonal entries of the group generalized inverse, , of the singular and irreducible M-matrix . Our starting point is a spectral resolution for . We consider the case of equality in some of these inequalities and we apply our results to the algebraic connectivity...
Coppersmith, Don, Lotker, Zvi (2004)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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ELA. The Electronic Journal of Linear Algebra [electronic only]
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Kirkland, Steve (2006)
ELA. The Electronic Journal of Linear Algebra [electronic only]
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