ACC for minimal lengths of extremal rays for surfaces

2014/10/24 by Evgeny Mayanskiy, Mayanskiy, Evgeny
Mathematics · #Algebraic Geometry (math.AG) #FOS: Mathematics #math.AG

paper · pdf · doi:10.48550/arxiv.1410.6590

25 pages

arxiv created 2014/10/24 · arxiv updated 2014/10/27

Abstract

We prove that the lengths of extremal rays of log canonical Fano surfaces with Picard number one satisfy the ascending chain condition. This confirms the 2-dimensional case of a conjecture stated by Fujino and Ishitsuka

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