2 papers
math.DS2026
A realizability criterion for rational maps with three branch points
Zhiqiang Wei
Let \[ Ï_{0}=[\underbrace{2,\ldots,2}_{2s-1}],\quad Ï_{\infty}=[\underbrace{3,\ldots,3}_{s},\underbrace{1,\ldots,1}_{s-2}],\quad Ï_{1}=[γ_{1},γ_{2},γ_{3}] \] be three nontriv…
math.GR2025
The Hurwitz existence problem and the prime-degree conjecture: A computational perspective
Yiru Wang, Bingqian Li, Yi Zhou +4
We investigate the Hurwitz existence problem from a computational viewpoint. Leveraging the symmetric-group algorithm by Zheng and building upon implementations originally develope…