Tangent and cotangent lifts and graded Lie algebras associated with Lie algebroids
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Generalized Schouten, Froelicher-Nijenhuis and Froelicher-Richardson brackets are defined for an arbitrary Lie algebroid. Tangent and cotangent lifts of Lie algebroids are introduced and discussed and the behaviour of the related graded Lie brackets under these lifts is studied. In the case of the canonical Lie algebroid on the tangent bundle, a new common generalization of the Froelicher-Nijenhuis and the symmetric Schouten brackets, as well as embeddings of the Nijenhuis-Richardson and the Froelicher-Nijenhuis bracket into the Schouten bracket, are obtained.
LamsTex 1991, 28 pages, to appear in Annals of global analysis and geometry
LamsTex 1991, 28 pages, to appear in Annals of global analysis and geometry