Automorphisms of hyperelliptic modular curves $X_0(N)$ in positive characteristic

arxiv: 0811.0876 · v1 · pith:LLLBNUIAnew · submitted 2008-11-06 · 🧮 math.AG · math.NT

Automorphisms of hyperelliptic modular curves X₀(N) in positive characteristic

Aristides Kontogeorgis , Yifan Yang This is my paper

classification 🧮 math.AG math.NT

keywords modularautomorphismautomorphismscharacteristiccurvecurvesgroupshyperelliptic

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We study the automorphism groups of the reduction $X_0(N) \times \bar{\mathbb{F}}_p$ of a modular curve $X_0(N)$ over primes $ p\nmid N$.

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