On the Mertens Conjecture for Function Fields

Abstract

We study an analogue of the Mertens conjecture in the setting of global function fields. Building on the work of Cha, we show that most hyperelliptic curves do not satisfy the Mertens conjecture, but that if we modify the Mertens conjecture to have a larger constant, then this modified conjecture is satisfied by a positive proportion of hyperelliptic curves.

17 pages. Several minor revisions and corrections based on referee comments. To appear in International Journal of Number Theory

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