TURKISH JOURNAL OF MATHEMATICS, cilt.43, ss.1940-1952, 2019 (SCI İndekslerine Giren Dergi)
In this paper, we prove reverse inequalities for the so-called Berezin number of some operators. Also, by using the classical Jensen and Young inequalities, we obtain upper bounds for Berezin number of A(alpha) X B-alpha and A(alpha) X B1-alpha for the case when 0 <= alpha <= 1.