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The diffeomorphism type of certain |
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| Authors: | Marc Sanchez Frederick Wilhelm |
| Affiliation: | 4243 Edgewood Place, Riverside, California 92506 ; Department of Mathematics, University of California, Riverside, California 92521-0135 |
| Abstract: | In this note we show that the unit tangent bundle of  is diffeomorphic to the total space of a certain principal  -bundle over  , solving a problem of James and Whitehead. |
| Keywords: | Unit tangent bundle |
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