Equation 19.5.3577CE629D93F6

\begin{equation} \left\{ y\in \mathbb {R}^{n-1}: (0,y)\in \Delta _{Y_{\bullet }}(T)\right\} =\Delta _{Y_1\supseteq \cdots \supseteq Y_ n}\left(\operatorname{Tr}^{\alpha |_{Y_1}}_{Y_1}(T)\right). \end{equation}