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hep-th2003
U-duality (sub-)groups and their topology
Arjan Keurentjes
We discuss some consequences of the fact that symmetry groups appearing in compactified (super-)gravity may be non-simply connected. The possibility to add fermions to a theory res…
hep-th2003
The topology of U-duality (sub-)groups
Arjan Keurentjes
We discuss the topology of the symmetry groups appearing in compactified (super-)gravity, and discuss two applications. First, we demonstrate that for 3 dimensional sigma models on…