Inversion of adjunction for quotient singularities

Abstract

We prove the precise inversion of adjunction formula for quotient singularities and klt Cartier divisors. As an application, we prove the semi-continuity of minimal log discrepancies for klt hyperquotient singularities.

arXiv comment38 pages. To appear in Algebraic Geometry

References in corpus (9)

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Cited by in corpus (3)

• Birational boundedness of rationally connected Calabi-Yau 3-folds
• On termination of flips and exceptionally non-canonical singularities
• Complements, index theorem, and minimal log discrepancies of foliated surface singularities