M. Belolipetsky

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math.GR2003

Automorphism groups of Riemann surfaces of genus p+1, where p is prime

M. Belolipetsky, G. A. Jones

We show that if $S$ is a compact Riemann surface of genus $g = p + 1$ , where $p$ is prime, with a group of automorphisms $G$ such that $∣ G ∣ \geq λ (g - 1)$ for some real number $λ > 6$ …

math.GR2003

A bound for the number of automorphisms of an arithmetic Riemann surface

M. Belolipetsky, G. A. Jones

We show that for every g > 1 there is a compact arithmetic Riemann surface of genus g with at least 4(g-1) automorphisms, and that this lower bound is attained by infinitely many g…