Log canonical thresholds on Gorenstein canonical del Pezzo surfaces
classification
🧮 math.AG
keywords
canonicalpezzoanticanonicaldivisorseffectivegorensteinsurfacesthresholds
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We classify all the effective anticanonical divisors on weak del Pezzo surfaces. Through this classification we obtain the smallest number among the log canonical thresholds of effective anticanonical divisors on a given Gorenstein canonical del Pezzo surface.
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