Uniqueness of crepant resolutions and symplectic singularities
classification
🧮 math.AG
keywords
symplecticresolutionssingularitiescrepantsomeuniquenessadmitsdimenensional
read the original abstract
We prove the uniqueness of crepant resolutions for some quotient singularities and for some nilpotent orbits. The finiteness of non-isomorphic symplectic resolutions for 4-dimenensional symplectic singularities is proved. We also give an example of symplectic singularity which admits two non-equivalent symplectic resolutions.
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