2 problems

Let $G$ be a group and let $\mathcal{C}_G$ be a $G$-graded fusion category. Assume the extension class $\omega_2$ is trivial, and let ${}^{\mathrm{sVect}}\mathcal{C}_G$ denote the…

Anomaly-freeness conjecture for 2d fermionic topological orders. All 2d fermionic topological orders are anomaly-free.