Equation 18.46.1C673111EE95F

\begin{equation} \theta +\mathrm{dd}^{\mathrm{c}}\psi =\tfrac 12[D_0]+\tfrac 12[D_\infty ]+\theta _ Y\geq 0, \qquad D_0=\{ 0\} \times Y,\quad D_\infty =\{ \infty \} \times Y. \end{equation}