, $\omega \left(\gamma \left(\pi _{S} \right)\right)$ from can be rewritten as $$\label{ZEqnNum000000}  \omega \left(\gamma \left(\pi _{S} \right)\right)\ge \omega ^{*} \left(\gamma \left(\pi _{S} \right)=0\right)-f\left(\left|Z_{R_{j} } \left(\pi _{S} \right)\right|\right),$$ 