Volume 8, Issue 4 Nahum Krupnik On the inverse-closedness of matrix subalgebras 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 Nahum Krupnik Find more articles with the same keywords Banach algebras inverse-closed subalgebras of Banach algebras Find more articles with the same subject classes 47A11 45E10