Equation 16.28.3863336B576658

\begin{equation} D^-_{\delta ,q}(a)=\max _{\mathcal J^{\mathrm{act}}_ a(\delta ,q)}c, \qquad D^+_{\delta ,q}(a)=\min _{\mathcal J^{\mathrm{act}}_ a(\delta ,q)}c. \end{equation}