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math.DG2007
A Note on 3-quasi-Sasakian Geometry
Beniamino Cappelletti Montano, Antonio De Nicola, Giulia Dileo
3-quasi-Sasakian manifolds were recently studied by the authors as a suitable setting unifying 3-Sasakian and 3-cosymplectic geometries. In this paper some geometric properties of…
hep-th2007
One loop superstring effective actions and d=4 supergravity
Filipe Moura
We review our recent work on the existence of a new independent R^4 term, at one loop, in the type IIA and heterotic effective actions, after reduction to four dimensions, besides…