Small touchups to the table

main.tex

@@ -347,25 +347,27 @@ presented in the following.
 \begin{table}
 \centering
 \begin{tabular}{cccc} \toprule
-    \diagbox{$\Delta$}{$\sigma$}
+    \diagbox{$\gamma_\Delta$}{$\gamma_\sigma$}
         & \sym A 1 & \sym A 2 & \sym E 1 \\ \hline \\
     \sym A 1
-        & \sym A 1 : $\Delta_s \Psi$
+        & \textcolor{first}{\sym A 1}: $\Delta_s \Psi$
         & \textbf{---}
         & \textbf{---} \\[1em]
     \sym E 2
-        & \sym E 2 : $\begin{bmatrix} \Delta_{d_{xy}} \\
+        & \textcolor{first}{\sym E 2} : $\begin{bmatrix} \Delta_{d_{xy}} \\
             \Delta_{d_{x^2-y^2}}\end{bmatrix} \Psi$
         & \textbf{---}
         & \textbf{---} \\[1em] \hline \\
     \sym B 1
         & \textbf{---}
-        & \sym B 2 : $\Delta_f d_z $
-        & \sym E 2 : $\Delta_f \begin{bmatrix} d_x \\ d_y \end{bmatrix}$ \\[2.5em]
+        & \textcolor{first}{\sym B 2} : $\Delta_f d_z $
+        & \textcolor{first}{\sym E 2} : $\Delta_f \begin{bmatrix} d_x \\ d_y \end{bmatrix}$ \\[2.5em]
     \sym E 1
         & \textbf{---}
-        & \sym E 1 : $\begin{bmatrix} \Delta_{p_x} \\ \Delta_{p_y} \end{bmatrix}d_z$
-        & $\begin{gathered} \sym A 1 \oplus \sym B 2 \oplus \sym E 2 : \\
+        & \textcolor{first}{\sym E 1} :
+            $\begin{bmatrix} \Delta_{p_x} \\ \Delta_{p_y} \end{bmatrix}d_z$
+        & $\begin{gathered}
+            \textcolor{first}{\sym A 1 \oplus \sym B 2 \oplus \sym E 2} : \\
             \Delta_{p_x}d_x - \Delta_{p_y}d_y \\
             \oplus \\
             \Delta_{p_y}d_x + \Delta_{p_x}d_y \\