Fig. 6.

Time evolution of the cost functional (left), share of infectives (center) and social distancing policy (right) in the case of COVID-19 in the Bergamo area. Optimal duration of social distancing: $T=3.00$ in the $\omega =0$ case, $T=3.55$ in the $\beta =0$ case, and $T=3.60$ in the $\omega \ne 0$ and $\beta \ne 0$ case. .