English

An $SL_2(\mathbb{R}) $-Casson invariant and Reidemeister torsions

Geometric Topology 2022-12-01 v2

Abstract

We define an SL2(R)SL_2(\mathbb{R})-Casson invariant of closed 3-manifolds. We also observe procedures of computing the invariants in terms of Reidemeister torsions. We discuss some approach of giving the Casson invariant some gradings.

Keywords

Cite

@article{arxiv.2005.06132,
  title  = {An $SL_2(\mathbb{R}) $-Casson invariant and Reidemeister torsions},
  author = {Takefumi Nosaka},
  journal= {arXiv preprint arXiv:2005.06132},
  year   = {2022}
}

Comments

19 pages, 4 figures. Comment welcome. In this revision, I corrected minor mistakes and added references