Universal abelian covers of superisolated singularities
classification
🧮 math.AG
keywords
abeliansingularitiesuniversalcompleteconjecturecounterexamplescoveringcovers
read the original abstract
We give explicit examples of Gorenstein surface singularities with integral homology sphere link, which are not complete intersections. Their existence was shown by Luengo-Velasco, Melle-Hernandez and Nemethi, thereby providing counterexamples to the Universal abelian covering conjecture of Neumann and Wahl.
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