A note on improvement on bounds for nonm
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Xiao-Qin Liu; Ting-Zhu Huang; Ying-Ding Fu
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Article
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2006
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Elsevier Science
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English
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In this work, we improve the lower and upper bounds obtained by Zhang and Luo [X. Zhang, R. Luo, Upper bound for the non-maximal eigenvalues of irreducible nonnegative matrices, Czechoslovak Math. J. 52 (127) (2002) 537-544] for the nonmaximal eigenvalue ฮป n-1 (A) of a symmetric positive matrix.