Black holes and groups of type $E_7$
Sergio Ferrara Alessio Marrani
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We report some results on the relation between extremal black holes in locally supersymmetric theories of gravity and groups of type $E_7$, appearing as generalized electric-magnetic duality symmetries in such theories. Some basics on the covariant approach to the stratification of the relevant symplectic representation are reviewed, along with a connection between special Kähler geometry and a ‘generalization’ of groups of type $E_7$.
Sergio Ferrara1 2 Alessio Marrani1
Volume 96, 2022
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