General elephants for threefold extremal contractions with one-dimensional fibres: exceptional case

DOI10.1070/SM9388zbMath1478.14029arXiv2002.10693OpenAlexW3113828962MaRDI QIDQ4988805

Shigefumi Mori, Yuri G. Prokhorov

Publication date: 19 May 2021

Published in: Sbornik: Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2002.10693

zbMATH Keywords

threefoldsgeneral elephant conjecturebirational classifiactionextremal curve germs

Mathematics Subject Classification ID

Singularities of surfaces or higher-dimensional varieties (14J17) (3)-folds (14J30) Minimal model program (Mori theory, extremal rays) (14E30)

Related Items

Effective results in the three-dimensional minimal model program, Equivariant minimal model program

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