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Mahler measure of $P_d$ polynomials (2101.07675v3)
Published 18 Jan 2021 in math.NT and math.AT
Abstract: This article investigates the Mahler measure of a family of 2-variate polynomials, denoted by $P_d, d\geq 1$, unbounded in both degree and genus. By using a closed formula for the Mahler measure introduced in "Volume function and Mahler measure of exact polynomials" (by Guilloux and March\'e), we are able to compute $m(P_d)$, for arbitrary $d$, as a sum of the values of dilogarithm at special roots of unity. We prove that $m(P_d)$ converges and the limit is proportional to $\zeta(3)$, where $\zeta$ is the Riemann zeta function.