Topology | Differential geometry

Double tangent bundle

In mathematics, particularly differential topology, the double tangent bundle or the second tangent bundle refers to the tangent bundle (TTM,πTTM,TM) of the total space TM of the tangent bundle (TM,πTM,M) of a smooth manifold M. A note on notation: in this article, we denote projection maps by their domains, e.g., πTTM : TTM → TM. Some authors index these maps by their ranges instead, so for them, that map would be written πTM. The second tangent bundle arises in the study of connections and second order ordinary differential equations, i.e., (semi)spray structures on smooth manifolds, and it is not to be confused with the second order jet bundle. (Wikipedia).

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Related pages

Tangent bundle | Secondary vector bundle structure | Vector bundle | Finsler manifold | Mathematics | Connection (vector bundle) | Jet bundle | Spray (mathematics) | Double vector bundle | Ehresmann connection | Differential topology | Differentiable manifold