Milnor and Tjurina numbers for smoothings of surface singularities

DOI10.14231/AG-2015-014zbMath1322.14056arXiv1307.6491OpenAlexW1530748888MaRDI QIDQ3192632

Jonathan M. Wahl

Publication date: 13 October 2015

Published in: Algebraic Geometry (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1307.6491

zbMATH Keywords

smoothingsurface singularityMilnor numberquasi-homogeneityTjurina number\(\mathbb{Q}\)-Gorenstein smoothing

Mathematics Subject Classification ID

Singularities of surfaces or higher-dimensional varieties (14J17) Complex surface and hypersurface singularities (32S25) Deformations of complex singularities; vanishing cycles (32S30) Topological aspects of complex singularities: Lefschetz theorems, topological classification, invariants (32S50) Deformations of singularities (14B07)

Related Items (5)

On discriminants, Tjurina modifications and the geometry of determinantal singularities ⋮ A cohomological interpretation of derivations on graded algebras ⋮ On the vanishing topology of isolated Cohen-Macaulay codimension 2 singularities ⋮ Complex singularities and contact topology ⋮ Deformation and Smoothing of Singularities

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