Framing 3-manifolds with bare hands (Q2327752)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Framing 3-manifolds with bare hands |
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Framing 3-manifolds with bare hands (English)
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15 October 2019
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Summary: After surveying existing proofs that every closed, orientable 3-manifold is parallelizable, we give three proofs using minimal background. In particular, our proofs do not rely on spin structures, the theory of Stiefel-Whitney classes, nor the Lickorish-Wallace theorem.
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3-manifold
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combing
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framing
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parallelisability
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Stiefel-Whitney class
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spin structure
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surgery
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