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Symplectic structures on nilmanifolds: an obstruction for its existence
(Heldermann Verlag, 2014-08)
In this work we introduce an obstruction for the existence of symplectic structures on nilpotent Lie algebras. Indeed, a necessary condition is presented in terms of the cohomology of the Lie algebra. Using this obstruction ...
Invariant almost Hermitian structures on flag manifolds
(Academic Press Inc Elsevier ScienceSan DiegoEUA, 2003)
Estruturas quase hermitianas invariantes e ideais abelianos
([s.n.], 2003)