E-Courant algebroids

Details E-Courant algebroids E-Courant algebroids

2008-05-27

arxiv.org/abs/0805.4093v3

Int.Math.Res.Not.2010:4334-4376,2010

Mathematics

Differential Geometry

29 pages, no figure

Scientific paper

10.1093/imrn/rnq053

In this paper, we introduce the notion of $E$-Courant algebroids, where $E$ is a vector bundle. It is a kind of generalized Courant algebroid and contains Courant algebroids, Courant-Jacobi algebroids and omni-Lie algebroids as its special cases. We explore novel phenomena exhibited by $E$-Courant algebroids and provide many examples. We study the automorphism groups of omni-Lie algebroids and classify the isomorphism classes of exact $E$-Courant algebroids. In addition, we introduce the concepts of $E$-Lie bialgebroids and Manin triples.

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