Hostname: page-component-76fb5796d-r6qrq Total loading time: 0 Render date: 2024-04-26T07:50:40.867Z Has data issue: false hasContentIssue false

C2 densely the 2-sphere has an elliptic closed geodesic

Published online by Cambridge University Press:  18 October 2004

GONZALO CONTRERAS
Affiliation:
CIMAT, PO Box 402, 36.000 Guanajuato, GTO, Mexico (e-mail: gonzalo@cimat.mx)
FERNANDO OLIVEIRA
Affiliation:
Departamento de Matematica, Instituto de Ciencias Exatas, Univesidade Federal de Minas Gerais, Av. Antonio Carlos 6627, Caixa Postal 702, 30161-970 Belo Horizonte MG, Brazil (e-mail: fernando@mat.ufmg.br)

Abstract

We prove that a Riemannian metric on the 2-sphere or the projective plane can be C2 approximated by a $C^\infty$ metric whose geodesic flow has an elliptic closed geodesic.

Type
Research Article
Copyright
© 2004 Cambridge University Press

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)