 $$\label{ZEqnNum000000}  {\mathbb{E}}\left(\left. \Delta _{{\rm {\mathcal L}}} \right|Z_{R_{j} } \left(\pi _{S} \right)\right)\le -C_{0} \omega \left(\pi _{S} \left(\gamma \left(\pi _{S} \right)=0\right)\right)