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Natural transformations of higher order tangent bundles and jet spaces. (English) Zbl 0678.58002
First the authors deduce that all natural transformations of the functor of the r-th order tangent vectors into itself are the homotheties only. Then they determine all natural transformations of the r-th order jet functor into itself.
Reviewer: I.Kolář

##### MSC:
 58A20 Jets in global analysis
##### Keywords:
r-jet; natural transformations; r-th order tangent vectors
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