# A quantized Riemann-Hilbert problem in Donaldson-Thomas theory

**Authors:** Anna Barbieri, Tom Bridgeland, Jacopo Stoppa

arXiv: 1905.00748 · 2025-07-17

## TL;DR

This paper introduces a new class of Riemann-Hilbert problems linked to refined Donaldson-Thomas theory, providing explicit solutions using advanced special functions, and explores their mathematical structure and implications.

## Contribution

It formulates a novel Riemann-Hilbert problem based on refined Donaldson-Thomas theory and constructs explicit solutions using the Barnes double gamma function.

## Key findings

- Defined a new Riemann-Hilbert problem in Donaldson-Thomas theory
- Constructed explicit solutions using Barnes double gamma function
- Analyzed the simplest case in detail

## Abstract

We introduce Riemann-Hilbert problems determined by refined Donaldson-Thomas theory. They involve piecewise holomorphic maps from the complex plane to the group of automorphisms of a quantum torus algebra. We study the simplest case in detail and use the Barnes double gamma function to construct a solution.

## Full text

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## References

23 references — full list in the complete paper: https://tomesphere.com/paper/1905.00748/full.md

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Source: https://tomesphere.com/paper/1905.00748