\chapter{Notations}
\label{chap:op-notations}

\begin{tabular}{lll}
    \textbf{Notation} & \textbf{Description} & \textbf{Source} \\
    \hline
    $1$ & Identity element of a unital algebra. & \autoref{definition:unital-banach-algebra} \\
\end{tabular}