Journal of the
Korean Mathematical Society
JKMS

ISSN(Print) 0304-9914 ISSN(Online) 2234-3008

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J. Korean Math. Soc. 2018; 55(4): 1005-1018

Online first article February 5, 2018      Printed July 1, 2018

https://doi.org/10.4134/JKMS.j170595

Copyright © The Korean Mathematical Society.

Reidemeister torsion and orientable punctured surfaces

Esma Dirican, Yasar Sozen

Izmir Institute of Technology, Hacettepe University

Abstract

Let $\Sigma_{g,n,b}$ denote the orientable surface obtained from the closed orientable surface $\Sigma_g$ of genus $g\geq2$ by deleting the interior of $n\geq 1$ distinct topological disks and $b\geq 1$ points. Using the notion of symplectic chain complex, the present paper establishes a formula for computing Reidemeister torsion of the surface $\Sigma_{g,n,b}$ in terms of Reidemeister torsion of the closed surface $\Sigma_{g},$ Reidemeister torsion of disk, and Reidemeister torsion of punctured disk.

Keywords: Reidemeister torsion, symplectic chain complex, orientable punctured surfaces

MSC numbers: Primary 55U99; Secondary 18G99, 57Q10

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