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Algorithm classifying roots of star-shaped Kac-Moody root systems

Representation Theory 2025-04-29 v1 Mathematical Physics Classical Analysis and ODEs math.MP Exactly Solvable and Integrable Systems

Abstract

For a star-shaped Kac-Moody root system, we provide an effective algorithm to obtain representatives of the Weyl group orbits of roots with a given norm and implement it as a computer program. We also explain the relationship between these orbits and Fuchsian differential equations on the Riemann sphere, as well as higher-dimensional Painleve-type equations.

Keywords

Cite

@article{arxiv.2504.18542,
  title  = {Algorithm classifying roots of star-shaped Kac-Moody root systems},
  author = {Toshio Oshima},
  journal= {arXiv preprint arXiv:2504.18542},
  year   = {2025}
}

Comments

19 pages

R2 v1 2026-06-28T23:11:42.501Z