Fig. 6.

Graph of $T_0^{\ast }$ for Problem ${\mathcal{P}}_{\alpha ,T}$ with respect to T for $\alpha \in \{0.0,{\alpha }_{\text{lock}},0.7,0.8\}$ (left) and with respect to $\alpha$ for $T\in \{100,200,400\}$ (right)