English

On Stiefel's parallelizability of 3-manifolds

Geometric Topology 2023-01-04 v2 Differential Geometry

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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Cite

@article{arxiv.2207.12881,
  title  = {On Stiefel's parallelizability of 3-manifolds},
  author = {Valentina Bais and Daniele Zuddas},
  journal= {arXiv preprint arXiv:2207.12881},
  year   = {2023}
}

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6 pages