deletions | additions       diff --git a/Sampling Spatial.tex b/Sampling Spatial.tex  index ce0b6ba..bc9df89 100644  --- a/Sampling Spatial.tex  +++ b/Sampling Spatial.tex 
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and  \begin{equation} %\label{eq-cubevol2} \label{eq:cubevol2}  \chi_{s}(x) =   \begin{cases}   1, & \mbox{if } x \in \omega_{s}