Geography of Gorenstein stable log surfaces
classification
🧮 math.AG
keywords
stablegeographygorensteininequalitiesinequalityinvariantssurfacesbecome
read the original abstract
We study the geography of Gorenstein stable log surfaces and prove two inequalities for their invariants: the stable Noether inequality and the $P_2$-inequality. By constructing examples we show that all invariants are realised except possibly some cases where the inequalities become equalities.
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