Rozansky-Witten invariants via formal geometry

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We show that recently constructed invariants of 3-dimensional manifolds and of hyperkaehler manifolds (L.Rozansky and E.Witten, hep-th/9612216) come from characteristic classes of foliations and from Gelfand-Fuks cohomology. In particular, any symplectic foliation gives invariants of 3-manifolds. Our preprint has many intersections with the preprint alg-geom/9704009 by M.Kapranov.
plain TeX, 11 pages

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Differential Geometry, Algebraic Geometry, High Energy Physics - Theory, Quantum Algebra

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http://salesiana.dossiersoluciones.com/handle/123456789/152234

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/dg-ga/9704009
 http://arxiv.org/abs/dg-ga/9704009

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arXiv