Volume 18, Issue 1 Messaoud Guesba Pintu Bhunia Kallol Paul Berezin number inequalities via positivity of 2 × 2 block matrices 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 Messaoud Guesba Pintu Bhunia Kallol Paul Find more articles with the same keywords Berezin number Positive operator reproducing kernel Hilbert space operator matrix Find more articles with the same subject classes 47A30 15A60 47A12 47B65