Volume 6, Issue 2 Chi-Kwong Li Roy Mathias Norm bounds on the sum of block diagonal matrices 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 Chi-Kwong Li Roy Mathias Find more articles with the same keywords eigenvalue positive semidefinite matrix banded matrix block diagonal matrix Find more articles with the same subject classes 15A18 15A99