Differential Geometry
Foliated vector bundles and Riemannian foliations
[Fibrés vectoriels feuilletés et feuilletages riemanniens]
Comptes Rendus. Mathématique, Tome 349 (2011) no. 7-8, pp. 445-449.

Dans cette Note on établie lʼéquivanence entre la propriété pour un feuilletage dʼêtre riemannien et chacune des conditions suivantes : 1) le feuilletage rélevé Fr sur lʼespace des jets r-transverses est riemannien pour une certaine valeur de r1 ; 2) le feuilletage rélevé F0r sur lʼespace réduit des jets r-transverses est riemannien et verticalement exact pour une certaine valeur de r1 ; 3) il existe un lagrangien positif, admissible et transvers sur J0rE, le fibré réduit des jets r-transverses dʼun fibré vectoriel EM, pour une certaine valeur r1.

In this Note we prove the equivalence between the Riemannian foliation and each of the following conditions: 1) the lifted foliation Fr on the bundle of r-transverse jets is Riemannian for r1; 2) the foliation F0r on the slashed J0r is Riemannian and vertically exact for r1; 3) there exists a positively admissible transverse Lagrangian on J0rE, the r-transverse slashed jet bundle of a foliated bundle EM, for r1.

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Accepté le :
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DOI : 10.1016/j.crma.2011.02.017
Popescu, Paul 1 ; Popescu, Marcela 1

1 Département de mathematiques appliquées, université de Craiova, rue Al. Cuza, No. 13, 200585 Craiova, Romania
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Popescu, Paul; Popescu, Marcela. Foliated vector bundles and Riemannian foliations. Comptes Rendus. Mathématique, Tome 349 (2011) no. 7-8, pp. 445-449. doi : 10.1016/j.crma.2011.02.017. http://www.numdam.org/articles/10.1016/j.crma.2011.02.017/

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