Gauged maximal supergravities and hierarchies of nonabelian vector-tensor systems

We describe generalizations of the manifestly E-6(6) covariant formulation of five-dimensional gauged maximal supergravity with regard to the structure of the vector and tensor fields. We indicate how the group-theoretical structures that we discover seem to play a role in gauged supergravities in various space-time dimensions. (c) 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.