Volume 13, Issue 3 Ameur Seddik Selfadjoint operators, normal operators, and characterizations 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 Ameur Seddik Find more articles with the same keywords closed range operator Moore-Penrose inverse group inverse selfadjoint operator unitary operator normal operator partial isometry operator isometry operator operator inequality Find more articles with the same subject classes 47A30 47A05 47B15