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math.NT2020
Nonabelian level structures, Nielsen equivalence, and Markoff triples
William Chen
In this paper we establish a congruence on the degree of the map from a component of a Hurwitz space of covers of elliptic curves to the moduli stack of elliptic curves. Combinator…
math.NT2020
Tamely Ramified Covers of the Projective Line with Alternating and Symmetric Monodromy
Renee Bell, Jeremy Booher, William Y. Chen +1
Let be an algebraically closed field of characteristic and let the projective line over with three points removed. We investigate which finite groups can arise…