Keywords
- Vector Bundle
- Projective Space
- Normal Bundle
- Unit Tangent Vector
- Sphere Bundle
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James, I.M. (1972). Two problems studied by Heinz Hopf. In: Lectures on Algebraic and Differential Topology. Lecture Notes in Mathematics, vol 279. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0058511
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DOI: https://doi.org/10.1007/BFb0058511
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