# The Alexander polynomial for closed braids in lens spaces

**Authors:** Bo\v{s}tjan Gabrov\v{s}ek, Eva Horvat

arXiv: 1901.01191 · 2019-08-27

## TL;DR

This paper introduces a new method to compute the Alexander polynomial of links in lens spaces using a Burau-like representation of the mixed braid group, simplifying calculations in this setting.

## Contribution

It develops a reduced Burau-like representation for the mixed braid group in lens spaces and enables direct calculation of the Alexander polynomial from mixed braids.

## Key findings

- Provides a new algebraic tool for link invariants in lens spaces
- Enables direct computation of Alexander polynomial from mixed braids
- Simplifies previous methods for analyzing links in lens spaces

## Abstract

We present a reduced Burau-like representation for the mixed braid group on one strand representing links in lens spaces and show how to calculate the Alexander polynomial of a link directly from the mixed braid.

## Full text

_Full body text omitted from this summary view._ Fetch the complete paper as Markdown: https://tomesphere.com/paper/1901.01191/full.md

## Figures

11 figures with captions in the complete paper: https://tomesphere.com/paper/1901.01191/full.md

## References

25 references — full list in the complete paper: https://tomesphere.com/paper/1901.01191/full.md

---
Source: https://tomesphere.com/paper/1901.01191