4-dimensional symplectic contractions

DOI10.1007/s10711-013-9832-7zbMath1291.14026arXiv1101.4884OpenAlexW2004167162MaRDI QIDQ2439352

Jarosław A. Wiśniewski, Marco Andreatta

Publication date: 14 March 2014

Published in: Geometriae Dedicata (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1101.4884

zbMATH Keywords

modificationsflopssymplectic resolutionsWeyl chambersnef conesnilpotent conesMori dream spacesDu Val singularitiesmovable conessymplectic contractions

Mathematics Subject Classification ID

Global theory and resolution of singularities (algebro-geometric aspects) (14E15) Singularities of surfaces or higher-dimensional varieties (14J17) Minimal model program (Mori theory, extremal rays) (14E30)

Related Items

Singularities of Fano varieties of lines on singular cubic fourfolds, ON SMOOTHNESS OF MINIMAL MODELS OF QUOTIENT SINGULARITIES BY FINITE SUBGROUPS OF SL_n(ℂ), Generic singularities of nilpotent orbit closures, On the relative version of Mori dream spaces, Birational geometry of symplectic quotient singularities, Equivariant Hirzebruch classes and Molien series of quotient singularities

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