A signature formula for hyperelliptic broken Lefschetz fibrations

Kenta Hayano, Masatoshi Sato

研究成果: Article査読

抄録

Hyperelliptic broken Lefschetz fibrations are generalizations of hyperelliptic Lefschetz fibrations. We generalize Endo's local signature formula to hyperelliptic directed broken Lefschetz fibrations. This is described in terms of Endo's local signature formula and a rational-valued homomorphism on the subgroup of the hyperelliptic mapping class group of a surface which preserves a simple closed curve setwise.

本文言語English
ページ(範囲)157-174
ページ数18
ジャーナルTopology and its Applications
173
DOI
出版ステータスPublished - 2014 8 15
外部発表はい

ASJC Scopus subject areas

  • Geometry and Topology

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