Reverse inequalities for the Berezin number of operators

Mubariz Garayev, Hocine Guediri, Najla Altwaijry

For a bounded linear operator $A$ on a reproducing kernel Hilbert space $\mathcal{H}(\Omega )$, with normalized reproducing kernel ${\hat{k}}_{\lambda }=\frac{k_{\lambda }}{\Vert k_{\lambda }\Vert }$, the Ber…