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Volumes transverses aux feuilletages définissables dans des structures o minimales

  • Autores: J.M. Lion, F. Chazal
  • Localización: Publicacions matematiques, ISSN 0214-1493, Vol. 47, Nº 2, 2003, págs. 441-450
  • Idioma: francés
  • Enlaces
  • Resumen
    • Let Fλ be a family of codimension p foliations defined on a family Mλ of manifolds and let Xλ be a family of compact subsets of Mλ. Suppose that Fλ, Mλ and Xλ are definable in an o-minimal structure and that all leaves of Fλ are closed. Given a definable family Ωλ of differential p-forms satisfaying iZ Ωλ = 0 for any vector field Z tangent to Fλ, we prove that there exists a constant A > 0 such that the integral of |Ωλ| on any transversal of Fλ intersecting each leaf in at most one point is bounded by A. We apply this result to prove that p-volumes of transverse sections of Fλ are uniformly bounded.


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