Definition 19.5.24.75695A1B0FB3 Let $T\in \mathcal{Z}_+(X,\alpha )$. Take a Kähler form $\omega $ on $X$. We define
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\begin{equation} \Delta _{Y_{\bullet }}(T)=\bigcap _{j=1}^{\infty }\Delta _{Y_{\bullet }}(T+j^{-1}\omega ). \end{equation}
The same definition makes sense when $\alpha $ is only pseudo-effective.
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