Verlinde formula (source code)

= Verlinde formula
{c}
{title2=$N^c_{ab}=\sum_x S_{ax}S_{bx}S_{cx}^*/S_{1x}$}

The simultaneous diagonalization formula for the <anyon fusion matrices> of a <modular tensor category>. The <eigenvalue> of $N_b$ in column $x$ of the <modular S-matrix> is $S_{bx}/S_{1x}$.