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KSB smoothings of surface pairs

Author:
János Kollár
Keyword:
Mathematics, Algebraic Geometry, Algebraic Geometry (math.AG)
journal:
--
date:
2023-06-25 16:00:00
Abstract
We describe KSB smoothings of log canonical surface pairs $(S, D)$, where $D$ is a reduced curve. In sharp contrast with the $D=\emptyset$ case, cyclic quotient pairs always have KSB smoothings, usually forming many irreducible components. v.2: References added, small changes.
PDF: KSB smoothings of surface pairs.pdf
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