On the reducibility and the η-invariant of periodic automorphisms of genus 2 surface

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3 Citations (Scopus)

Abstract

We give a characterization for the reducibility of elements of any finite subgroup of the mapping class group of genus 2 surface in terms of the η-invariant of finite order mapping tori.

Original languageEnglish
Pages (from-to)827-831
Number of pages5
JournalJournal of Knot Theory and its Ramifications
Volume6
Issue number6
DOIs
Publication statusPublished - 1997 Dec
Externally publishedYes

Keywords

  • Finite order mapping torus
  • Genus 2 surface
  • Mapping class group
  • Reducibility
  • Signature cocycle
  • η-invariant

ASJC Scopus subject areas

  • Algebra and Number Theory

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