paper

BPS black holes, supersymmetry and orbits of exceptional groups

arXiv:hep-th/9801095 · doi:10.1002/(SICI)1521-3978(199901)47:1/3<159::AID-PROP159>3.0.CO;2-8

Abstract

We report on duality invariant constraints, which allow a classification of BPS black holes preserving different fractions of supersymmetry. We then relate this analysis to the orbits of the exceptional groups $E_{6 (6)}, E_{7 (7)}$ , relevant for black holes in five and four dimensions.

8 pages, LaTeX; Talk given at the Workshop on ``Quantum Aspects of Gauge Theories, Supersymmetry and Unification", NeuchÃ¢tel, Switzerland, 18--23 September 1997