Dyonic black hole degeneracies in $\mathcal{N}=4$ string theory from Dabholkar-Harvey degeneracies

Abhishek Chowdhury, Abhiram Kidambi, Sameer Murthy +2

The degeneracies of single-centered dyonic $\frac{1}{4}$-BPS black holes (BH) in Type II string theory on K3$\times T^2$ are known to be coefficients of certain mock Jacobi forms arisi…