Equation 18.13.2F52CC5DA3364

\begin{equation} a_ j=-\delta _ j\chi _ jL_ j^\beta , \qquad c_ j=-\delta _ j\chi _ jL_ j^{\beta '}, \qquad \mathrm{dd}^{\mathrm{c}}a_ j,\ \mathrm{dd}^{\mathrm{c}}c_ j\geq -e_ jh \end{equation}