C 2 densely the 2-sphere has an elliptic closed geodesic (Q5289875)
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scientific article; zbMATH DE number 5019135
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | C 2 densely the 2-sphere has an elliptic closed geodesic |
scientific article; zbMATH DE number 5019135 |
Statements
C 2 densely the 2-sphere has an elliptic closed geodesic (English)
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19 April 2006
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Riemannian metric
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2-sphere
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projective plane
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geodesic flow
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