Discriminant groups of wild cyclic quotient singularities

DOI10.2140/ant.2023.17.1017zbMath1527.13008arXiv2101.08090OpenAlexW3121416803MaRDI QIDQ6042344

Stefan Schröer, Dino J. Lorenzini

Publication date: 10 May 2023

Published in: Algebra \& Number Theory (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2101.08090

zbMATH Keywords

resolution of singularitiesquotient singularitydiscriminant groupBrieskorn singularityDynkin diagramcyclicwild

Mathematics Subject Classification ID

Singularities in algebraic geometry (14B05) Global theory and resolution of singularities (algebro-geometric aspects) (14E15) Singularities of surfaces or higher-dimensional varieties (14J17) Actions of groups on commutative rings; invariant theory (13A50)

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Moderately ramified actions in positive characteristic ⋮ The critical polynomial of a graph

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