Classification of higher grade $\ell$ graphs for $\mathrm{U}(N{)}^2\times \mathrm{O}(D)$ multi-matrix models

Rémi Cocou Avohou, Reiko Toriumi, Matthias Vancraeynest

The authors studied in [Ann. Inst. Henri Poincaré D 9, 367-433, (2022)], a complex multi-matrix model with $\mathrm{U}(N{)}^2\times \mathrm{O}(D)$ symmetry, and whose double scaling…