The following publications are possibly variants of this publication:
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- Entrywise perturbation theory for diagonally dominant M-matrices with applicationsAttahiru Sule Alfa, Jungong Xue, Qiang Ye. nm, 90(3):401-414, 2002. [doi]
- Relative Perturbation Bounds for Eigenvalues of Symmetric Positive Definite Diagonally Dominant MatricesQiang Ye. siammax, 31(1):11-17, 2009. [doi]