Some $4$-point Hurwitz numbers in positive characteristic

DOI10.1090/S0002-9947-2011-05347-XzbMath1263.14029arXiv0906.1793OpenAlexW2168130904MaRDI QIDQ3103861

Brian Osserman, Irene I. Bouw

Publication date: 12 December 2011

Published in: Transactions of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0906.1793

zbMATH Keywords

positive characteristicbad reductionHurwitz numberadmissible coverbranch cover

Mathematics Subject Classification ID

Coverings of curves, fundamental group (14H30) Automorphisms of curves (14H37) Positive characteristic ground fields in algebraic geometry (14G17)

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PRIMITIVE PERMUTATION GROUPS CONTAINING A CYCLE ⋮ EXISTENCE OF COVERS WITH FIXED RAMIFICATION IN POSITIVE CHARACTERISTIC

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