Notes for AKT-090922/0:41:41: Difference between revisions
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Definition: A '''framed knot''' is a smooth knot with a choice of a non-zero section of the normal bundle (mod homotopy). |
Definition: A '''framed knot''' is a smooth knot with a choice of a non-zero section of the normal bundle (mod homotopy). |
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*Conan's remark: for the ribbon definition, it is important that the ribbon has to be an orientable surface. i.e. a Mobius loop cannot the ribbon associated to a framed knot |
*Conan's remark: for the ribbon definition, it is important that the ribbon has to be an orientable surface. i.e. a Mobius loop cannot the ribbon associated to a framed knot. |
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Latest revision as of 06:03, 23 September 2009
Definition: A framed knot is a smooth knot with a choice of a non-zero section of the normal bundle (mod homotopy).
- Conan's remark: for the ribbon definition, it is important that the ribbon has to be an orientable surface. i.e. a Mobius loop cannot the ribbon associated to a framed knot.
