Volume 20, Issue 2 Arup Majumdar P. Sam Johnson Ram N. Mohapatra Characterizations of closed EP operators on Hilbert spaces 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 Arup Majumdar P. Sam Johnson Ram N. Mohapatra Find more articles with the same keywords EP operator closed operator Moore-Penrose inverse Find more articles with the same subject classes 47A05 47B02