Quasi-Positive Curvature on Homogeneous Bundles

Tapp, Kristopher

J. Differential Geom., Tome 63 (2003) no. 1, p. 273-287 / Harvested from Project Euclid

Résumé

We provide new examples of manifolds which admit a Riemannian metric with sectional curvature nonnegative, and strictly positive at one point. Our examples include the unit tangent bundles of ℂℙⁿ, ℍℙⁿ and \mathbb Oℙⁿ (the Cayley plane), and a family of lens space bundles over ℂℙⁿ.

Publié le : 2003-10-14
Classification:

@article{1090511688,
     author = {Tapp, Kristopher},
     title = {Quasi-Positive Curvature on Homogeneous Bundles},
     journal = {J. Differential Geom.},
     volume = {63},
     number = {1},
     year = {2003},
     pages = { 273-287},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1090511688}
}

Tapp, Kristopher. Quasi-Positive Curvature on Homogeneous Bundles. J. Differential Geom., Tome 63 (2003) no. 1, pp.  273-287. http://gdmltest.u-ga.fr/item/1090511688/