Volume 13, Issue 4 Abderrahim Baghdad Mohamed Chraibi Kaadoud On the maximal numerical range of a hyponormal operator 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 Abderrahim Baghdad Mohamed Chraibi Kaadoud Find more articles with the same keywords spectrum numerical range maximal numerical range normal operator hyponormal operator normaloid operator Find more articles with the same subject classes 47A12 47A30 47A63 47B15 47B47