A finiteness theorem on symplectic singularities

DOI10.1112/S0010437X16007387zbMath1400.14030arXiv1411.5585MaRDI QIDQ3186427

Yoshinori Namikawa

Publication date: 9 August 2016

Published in: Compositio Mathematica (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1411.5585

zbMATH Keywords

singularitieslog terminal singularitiesPoisson deformationscontact Fano orbifoldsgood \(\mathbb C^*\)-action, conical symplectic varieties

Mathematics Subject Classification ID

Singularities of surfaces or higher-dimensional varieties (14J17) Poisson manifolds; Poisson groupoids and algebroids (53D17) Fano varieties (14J45) Contact manifolds (general theory) (53D10) Deformations of complex singularities; vanishing cycles (32S30) Formal methods and deformations in algebraic geometry (14D15)

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Four-dimensional conical symplectic hypersurfaces ⋮ A characterization of nilpotent orbit closures among symplectic singularities

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