Equation 14.9.2028038652BCC

\begin{align} \mathrm{e}^{D(F)}& =1+\int _ X|(u_ F)_ w|^2\, \mathrm{d}\nu , \\ \| u_ F-Au_ F\| _{L^2(X,\nu )}^2 & \leq 4\bigl (\mathrm{e}^{D(F)}-1\bigr ). \tag{14.9.3} \end{align}