English

Values of the t-invariant for small Seifert manifolds

Geometric Topology 2008-06-13 v1

Abstract

The t-invariant can be considered as the Turaev-Viro invariant of order 5 computed for integer colors only. We compute all values of the t-invariant for Seifert manifolds with base sphere and three singular fibers. As a result we show that the manifolds parameters modulo five define the value of the t-invariant. Partially we show that there are 12 distinct values of the t-invariant for these manifolds. Some examples show that the t-invariant for these manifolds is not defined by the first homology group.

Keywords

Cite

@article{arxiv.0806.2073,
  title  = {Values of the t-invariant for small Seifert manifolds},
  author = {Mikhail Ovchinnikov},
  journal= {arXiv preprint arXiv:0806.2073},
  year   = {2008}
}

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5 pages