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hep-th2012★ 2 cited
Borcherds and Kac-Moody extensions of simple finite-dimensional Lie algebras
Jakob Palmkvist
We study the Borcherds superalgebra obtained by adding an odd (fermionic) null root to the set of simple roots of a simple finite-dimensional Lie algebra. We compare it to the Kac-…
hep-th2010★ 48 cited
Extremal solutions of the S3 model and nilpotent orbits of G2(2)
Sung-Soo Kim, Josef Lindman Hörnlund, Jakob Palmkvist +1
We study extremal black hole solutions of the S3 model (obtained by setting S=T=U in the STU model) using group theoretical methods. Upon dimensional reduction over time, the S3 mo…