A characterization of quasi-homogeneous Gorenstein surface singularities
Jonathan M. Wahl (1985)
Compositio Mathematica
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Jonathan M. Wahl (1985)
Compositio Mathematica
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Kurt Behnke, Jan Arthur Christophersen (1991)
Compositio Mathematica
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Jonathan M. Wahl (1977)
Annales scientifiques de l'École Normale Supérieure
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Joseph H. M. Steenbrink (1997)
Annales de l'institut Fourier
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We define Du Bois invariants for isolated singularities of complex spaces. We relate them to the Hodge numbers of the local and vanishing cohomology groups. Our main results express the Tjurina number of certain Gorenstein singularities in terms of Du Bois invariants and Hodge numbers of the link, and express the Hodge numbers of the Milnor fibre of certain three-dimensional complete intersections in similar terms. We also address the question of the semicontinuity of the Du Bois invariants...
James Damon (1984)
Annales de l'institut Fourier
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We obtain algebraic and geometric conditions for the topological triviality of versal unfoldings of weighted homogeneous complete intersections along subspaces corresponding to deformations of maximal weight. These results are applied: to infinite families of surface singularities in which begin with the exceptional unimodular singularities, to the intersection of pairs of generic quadrics, and to certain curve singularities. The algebraic conditions are related to the...
Joseph Lipman (1979)
Compositio Mathematica
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Marko Roczeń (1988)
Banach Center Publications
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