Equation 19.6.21DD8B9478031

\begin{equation} \mathbf{E}(\Delta _{\bullet })\coloneqq n!\Delta _{\max } \operatorname{vol}\Delta +n!\int _{-\infty }^{\Delta _{\max }} \left(\operatorname{vol}\Delta _{\tau }-\operatorname{vol}\Delta \right)\, \mathrm{d}\tau >-\infty . \end{equation}