Distributions of corank 1 and their characteristic vector fields
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- by B. Jakubczyk and M. Zhitomirskii PDF
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Abstract:
We prove that any 1-parameter family of corank 1 distributions (or Pfaff equations) on a compact manifold $M^{n}$ is trivializable, i.e., transformable to a constant family by a family of diffeomorphisms, if all distributions of the family have the same characteristic line field. The characteristic line field is a field of tangent lines which is invariantly assigned to a corank one distribution. It is defined on $M^{n}$, if $n=2k$, or on a subset of $M^{n}$ called the Martinet hypersurface, if $n=2k+1$. Our second main result states that if two corank one distributions have the same characteristic line field and are close to each other, then they are equivalent via a diffeomorphism. This holds under a weak assumption on the singularities of the distributions. The second result implies that the abnormal curves of a distribution determine the equivalence class of the distribution, among distributions close to a given one.References
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Additional Information
- B. Jakubczyk
- Affiliation: Institute of Mathematics, Polish Academy of Sciences, Śniadeckich 8, 00-950 Warsaw, Poland and Institute of Applied Mathematics, University of Warsaw, Poland
- Email: B.Jakubczyk@impan.gov.pl
- M. Zhitomirskii
- Affiliation: Department of Mathematics, Technion, 32000 Haifa, Israel
- Email: mzhi@techunix.technion.ac.il
- Received by editor(s): January 9, 2002
- Received by editor(s) in revised form: September 4, 2002
- Published electronically: March 19, 2003
- Additional Notes: The first author was supported by the Committee for Scientific Research (KBN), Poland, grant 2P03A 03516
The second author was supported by the Fund for the Promotion of Research at the Technion - © Copyright 2003 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 355 (2003), 2857-2883
- MSC (2000): Primary 58A17; Secondary 53B99
- DOI: https://doi.org/10.1090/S0002-9947-03-03248-3
- MathSciNet review: 1975403