$q$ -Oper Structures on a Formal Punctured Disc

Rudrendra Kashyap, Rahul Singh

Source record

Source: arXiv

Published: Sep 7, 2026

arXiv: 2609.07588

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Source abstract

Let $G$ be a connected reductive complex algebraic group and let $q\in\mathbb{C}^{\times}$ be not a root of unity. We prove that every $(G,q)$ -connection on a formal punctured disc admits a $(G,q)$ -oper structure.

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