Operators and Matrices · Volume 18, Issue 1 Berezin number inequalities via positivity of 2 × 2 block matrices 18-06 Pages 83-95 DOI 10.7153/oam-2024-18-06 Downloads Short PDF Full PDF PNG Authors Messaoud Guesba Pintu Bhunia Kallol Paul Keywords Berezin number positive operator reproducing kernel Hilbert space operator matrix Subject classes 47A30 15A60 47A12 47B65