### Abstract

We give a characterization for the reducibility of automorphisms of the genus 3 Klein curve in terms of the η-invariant of finite order mapping tori.

Original language | English |
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Pages (from-to) | 1945-1947 |

Number of pages | 3 |

Journal | Proceedings of the American Mathematical Society |

Volume | 126 |

Issue number | 7 |

Publication status | Published - 1998 Dec 1 |

Externally published | Yes |

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### Keywords

- Klein curve
- Mapping class group
- Reducibility
- η-invariant

### ASJC Scopus subject areas

- Mathematics(all)
- Applied Mathematics