Deformations of rational surface singularities and reflexive modules with an application to flops

DOI10.1016/j.aim.2018.10.023zbMath1422.14007arXiv1609.01033OpenAlexW2963485721WikidataQ129077902 ScholiaQ129077902MaRDI QIDQ1621481

Trond Stølen Gustavsen, Runar Ile

Publication date: 8 November 2018

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

Full work available at URL: https://arxiv.org/abs/1609.01033

zbMATH Keywords

RDPpartial resolutionsmall resolutionrational double pointmatrix factorizationblowing updeformation of algebrascontracting curvesdeformation of rational singularitiesdeformations of exceptional moduledomination of resolutionflatifying blowing-upmaximal Cohen Macaulay modulesimultaneous partial resolutionstrict transformWunram module

Mathematics Subject Classification ID

Minimal model program (Mori theory, extremal rays) (14E30) Deformations of singularities (14B07) McKay correspondence (14E16) Stacks and moduli problems (14D23)

Related Items (3)

Cohomological characterizations of smoothness and the case of rational surface singularities ⋮ Deformation theory of Cohen-Macaulay approximation ⋮ On the blow-up of a normal singularity at maximal Cohen-Macaulay modules

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