Volume 14, Issue 1 L. Khadkhuu D. Tsedenbayar On the numerical range and operator norm of V2 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 L. Khadkhuu D. Tsedenbayar Find more articles with the same keywords Volterra operator numerical range numerical radius operator norm Find more articles with the same subject classes 47A10 47A12 47A30