\begin{table}[ht]
\centering\small
\begin{tabular}{@{}lccccc@{}}
\toprule
Matrix & $d_1$ & $d_2$ & $d_3$ & $d_4$ & $d_5$\\
\midrule
$B$ & $>1$ & $>1$ & $>1$ & $>1$ & $>1$\\[3pt]
$M(0)$ & $>1$ & $>1$ & $>\frac{1}{2}$ & $>1$ & $>1$\\[3pt]
$M(1/100)$ & $>1$ & $>1$ & $>\frac{1}{2}$ & $>1$ & $>1$\\[3pt]
\bottomrule
\end{tabular}
\caption{Strict rational lower bounds for the five successive $LDL^\T$ pivots of each matrix. These are lower bounds, not rounded pivot values. Every entry is obtained by exact fraction arithmetic.}
\label{tab:pivots}
\end{table}