Aspects of superstring cosmology are reviewed with an emphasis on the cosmological
implications of duality symmetries in the theory. The string effective actions are summarized …

This work is intended as a pedagogical introduction to M-theory and to its maximally
supersymmetric toroidal compactifications, in the frameworks of 11D supergravity, type II …

We analyse the global (rigid) symmetries that are realised on the bosonic fields of the
various supergravity actions obtained from eleven-dimensional supergravity by toroidal …

We give a general review of extended supergravities and their gauging using the duality-
covariant embedding tensor formalism. Although the focus is on four-dimensional theories …

We perform a systematic search for Script N= 1 Minkowski vacua of type II string theories on
compact six-dimensional parallelizable nil-and solvmanifolds (quotients of six-dimensional …

We introduce a doubled formalism for the bosonic sector of the maximal supergravities, in
which a Hodge dual potential is introduced for each bosonic field (except for the metric). The …

A bstract We study a one-parameter family of\(\mathcal {N}\)= 2 anti-de Sitter vacua with U
(1) 2 symmetry of gauged four-dimensional maximal supergravity, with dyonic gauge group …

We construct explicit consistent Kaluza–Klein reductions of type IIB supergravity on HK 4× S
1, where HK 4 is an arbitrary four-dimensional hyper-Kähler manifold, and on SE 5, an …

A bstract We report on a systematic search for AdS 5 vacua corresponding to critical points
of the potential in the five-dimensional\(\mathcal {N}\)= 8 SO (6) gauged supergravity. By …

We examine the boundary conditions associated with extended supersymmetric Maxwell
theory in five-dimensional anti-de Sitter space. Excitations on the boundary are identical to …