Volume 16, Issue 3 Changsen Yang Kexin Wang Estimates for the numerical radius of n × n operator 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 Changsen Yang Kexin Wang Find more articles with the same keywords numerical radius operator matrices spectral radius Find more articles with the same subject classes 47A05 47A12 47A30