  &\leq&   \left( \sup_{0 \leq j \leq d}\frac{{  \begingroup   \def\mathaccent#R##0{    \rel@kern{0.0}    \overline{\rel@kern{-0.0}\macc@nucleus\rel@kern{0.0}}    \rel@kern{-0.0}  }  \macc@depth\@ne   \let\math@bgroup\@empty \let\math@egroup\macc@set@skewchar   \mathsurround\z@ \frozen@everymath{\mathgroup\macc@group\relax}  \macc@set@skewchar\relax   \let\mathaccentV\macc@nested@a   \macc@nested@a\relax000{R}  \endgroup }_{\Theta_i,j} }{\underline{R}_{\Theta_i,j} } \right) \sup_{0 \leq j \leq d} \underline{R}_{\Theta_i,j}   