3 problems

Let $G_f$ be a fermionic group, and let $\mathit{FermGrp}$ denote the relevant $\infty$-category of fermionic groups. With the notation of the symmetric monoidal functor … there sh…

Suppose the stacking construction determines $\nu_3^{\text{tot}}$ only up to multiplication by a 3-cocycle. Triviality conjecture for the $\nu_3$ ambiguity. This 3-cocycle should b…

Let $n_1^a,n_1^b$ and $n_2^a,n_2^b$ be the stacking data for two phases, and let ${\omega_2}$ denote the fermion-parity extension class. For the stacked phase, write the correspond…