Andrews-Gordon identities from combinations of Virasoro characters

Boris Feigin, Omar Foda, Trevor Welsh

For p \in {3, 4} and all p' > p, with p' coprime to p, we obtain fermionic expressions for the combination χ^{p, p'}_{1, s} + q^Δ χ^{p, p'}_{p-1,s} of Virasoro (W_2) characters for…