The geometry of a closed form
Fernández, Marisa ; Ibáñez, Raúl ; de León, Manuel
Banach Center Publications, Tome 43 (1998), p. 155-167 / Harvested from The Polish Digital Mathematics Library

It is proved that a closed r-form ω on a manifold M defines a cohomology (called ω-coeffective) on M. A general algebraic machinery is developed to extract some topological information contained in the ω-coeffective cohomology. The cases of 1-forms, symplectic forms, fundamental 2-forms on almost contact manifolds, fundamental 3-forms on G2-manifolds and fundamental 4-forms in quaternionic manifolds are discussed.

Publié le : 1998-01-01
EUDML-ID : urn:eudml:doc:208900
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Fernández, Marisa; Ibáñez, Raúl; de León, Manuel. The geometry of a closed form. Banach Center Publications, Tome 43 (1998) pp. 155-167. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-bcpv45i1p155bwm/

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