Volume 24, Issue 1 Pintu Bhunia Kallol Paul Raj Kumar Nayak Sharp inequalities for the numerical radius of Hilbert space operators and 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 Pintu Bhunia Kallol Paul Raj Kumar Nayak Find more articles with the same keywords numerical radius operator norm operator matrix Hilbert space Find more articles with the same subject classes 47A12 47A63 47A30