For V a singular affine irreducible variety over a field k, and D D an O O -module of k-linear derivations, we wish to address the question whether V there is a blowup V of V such that the subsheaf of the constant sheaf of rational functions ˜Ṽ V ĩs a locally free coherent sheaf on V. At one extrem
On the natural operators on vector fields
✍ Scribed by Ivan Kolář
- Publisher
- Springer
- Year
- 1988
- Tongue
- English
- Weight
- 462 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0232-704X
No coin nor oath required. For personal study only.
✦ Synopsis
We determine all natural operators transforming every vector field on a manifold M into a vector field on FM, where F is any natural bundle corresponding to a product preserving functor.
This research was finished during the author's stay at the University of Vienna. The author acknowledges its kind hospitality and is grateful to Peter Michor, Jan Slovhk and Jiii Vanzura for several useful comments.
All manifolds and maps are assumed to be infinitely differentiable.
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