\input{ECA_Diss_newcomms}

\begin{document}
\begin{eqnarray}
P_\blambda(\bY,\bZ,\bX,\bW) &  = & \biggl(P_\blambda(\bX_\mathcal{P})  \biggr)
\biggl( \prod_{(t,a)\in\syset} P(\btY_{t,a}|\btX_{t,a})\biggr)
\biggl(\prod_{t\in\szset} P(\btZ_t|\btW_t) \biggr) \nonumber \\
\mbox{} & \times &
\biggl(\prod_{(t,a)\in\mathcal{P}^c} P_\blambda(\btX_{t,a}|\btW_{t-a}) \biggr) 
\biggl(
\prod_{0\le t\le T} P_\blambda(\btW_t|\btX_{t,a^-},\ldots,\btX_{t,a^+})\biggr)  \nonumber
\end{eqnarray}

\end{document}