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A weak version of the McKay correspondence for cyclic quotient singularities
Published 10 Jun 2023 in math.AG | (2306.06343v1)
Abstract: Let G be a finite subgroup of SL(n,C). If a quotient variety Cn/G has a crepant resolution, then its Euler number equals to the number of conjugacy classes of G, which is a weak version of the McKay correspondence. In this paper, we generalize this correspondence to a finite cyclic group of GL(n,C). We construct this correspondence using certain toric resolutions obtained through continued fractions.
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