Linking forms revisited

  title={Linking forms revisited},
  author={Anthony Conway and Stefan Friedl and Gerrit Herrmann},
  journal={arXiv: Geometric Topology},
  • Anthony Conway, Stefan Friedl, Gerrit Herrmann
  • Published 2016
  • Mathematics
  • arXiv: Geometric Topology
  • We show that the $\mathbb{Q}/\mathbb{Z}$-valued linking forms on rational homology spheres are (anti-) symmetric and we compute the linking form of a 3-dimensional rational homology sphere in terms of a Heegaard splitting. Both results have been known to a larger or lesser degree, but it is difficult to find rigorous down-to-earth proofs in the literature. 


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