AdS4 backgrounds with N>16 supersymmetries in 10 and 11 dimensions

A. S. Haupt, S. Lautz, G. Papadopoulos

We explore all warped $Ad{S}_4{\times }_w{M}^{D-4}$ backgrounds with the most general allowed fluxes that preserve more than 16 supersymmetries in $D=10$- and $11$-dimensional supergravi…