Volume 17, Issue 2 Mahvish Samar Xinzhong Zhu Multiplicative perturbation analysis for the generalized Cholesky block downdating problem Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Mahvish Samar Xinzhong Zhu Find more articles with the same keywords generalized Cholesky block downdatig problem multiplicative perturbation rigorous perturbation bounds Lyapunov majorant function Banach fixed point theorem matrix-equation approach Find more articles with the same subject classes 15A45 15A23