Topology of supersymmetric N=1, D=4 supergravity horizons
arXiv:1006.4369 · doi:10.1007/JHEP11(2010)114
Abstract
All supersymmetric N=1, D=4 supergravity horizons have toroidal or spherical topology, irrespective of whether the black hole preserves any supersymmetry.
17 pages, latex. Alterations to introduction and section 3.3