Stationary $D=4$ Black Holes in Supergravity: The Issue of Real Nilpotent Orbits

Daniele Ruggeri, Mario Trigiante

The complete classification of the nilpotent orbits of $\mathrm{SO}(2,2{)}^2$ in the representation $(2,2,2,2)$, achieved in \cite{Dietrich:2016ojx}, is applied to the study of mu…