On Stiefel's parallelizability of 3-manifolds
Bais Valentina
•
2023
Periodico
EXPOSITIONES MATHEMATICAE
Abstract
We give a new elementary proof of the parallelizability of closed orientable 3-manifolds. We use as the main tool the fact that any such manifold admits a Heegaard splitting.
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open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/4.0/
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