\begin{figure*}
\begin{minipage}{0.9\linewidth}
\ben
\ba
\ \ \ \ \ \ \ \ \begin{array}{|l|}
\hline
\text{\it initial,\ given\ {\rm microscopic\ Hamiltonian\ }}
{{H}}= {{H}}^\dagger\
\text{lives\ in} \\
\text{\rm {\bf primary\ } space\ }
{\cal H}^{(P)};\ \text{all\ is}\ \text{\bf prohibitively\ complicated:}\\
\ \ \ \bullet\ \text{\it one\ constructs}\ \text{\rm the
\ CCM\ operator\ } \Omega=\exp\,S\\
\hline
\ea
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