期刊论文详细信息
Journal of Mathematical Sciences | |
Remarks on Gorenstein Terminal Fourfold Flips | |
Takagi, Hiromichi1  | |
关键词: flip; extremal ray; minimal model; | |
DOI : | |
学科分类:数学(综合) | |
来源: University of Tokyo * Department of Mathematical Sciences | |
【 摘 要 】
WeprovethatforanyflippingcontractionfromaGorensteinterminal$4$-fold,ageneralhyperplanesectionwhichcontainstheexceptionallocushasonlycanonicalsingularities.BasedonthisfactandusingRan'stheorem,weprovetheexistenceoftheflipofaflippingcontractionfromaGorensteinterminal$4$-foldwhosegeneralhyperplanesectionhasonlyisolatedcanonicalsingularitiesandexceptionallocusisirreducible.Furthermoreweclassifysuchflippingcontractionsandflips.
【 授权许可】
Unknown
【 预 览 】
Files | Size | Format | View |
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RO201912090769686ZK.pdf | 145KB | download |