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The Tamely Ramified Geometric Quantitative Minimal Ramification Problem
Published 30 Nov 2022 in math.NT and math.QA | (2211.16983v1)
Abstract: We prove a large finite field version of the Boston--Markin conjecture on counting Galois extensions of the rational function field with a given Galois group and the smallest possible number of ramified primes. Our proof involves a study of structure groups of (direct products of) racks.
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