Desingularization in the q-Weyl algebra

Christoph Koutschan, Yi Zhang*

*Corresponding author for this work

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Abstract

In this paper, we study the desingularization problem in the first q-Weyl algebra. We give an order bound for desingularized operators, and thus derive an algorithm for computing desingularized operators in the first q-Weyl algebra. Moreover, an algorithm is presented for computing a generating set of the first q-Weyl closure of a given q-difference operator. As an application, we certify that several instances of the colored Jones polynomial are Laurent polynomial sequences by computing the corresponding desingularized operator.

Original languageEnglish
Pages (from-to)80-101
Number of pages22
JournalAdvances in Applied Mathematics
Volume97
DOIs
Publication statusPublished - Jun 2018
Externally publishedYes

Cite this

Koutschan, C., & Zhang, Y. (2018). Desingularization in the q-Weyl algebra. Advances in Applied Mathematics, 97, 80-101. https://doi.org/10.1016/j.aam.2018.02.005