Volume 19, Issue 3 Yonghui Ren Mohamed Amine Ighachane Some new numerical radius inequalities via an improved version of Kato's inequality 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 Yonghui Ren Mohamed Amine Ighachane Find more articles with the same keywords Kato inequality numerical radius operator norm triangle inequality Find more articles with the same subject classes 47A30 47A12 47B15