Divisor class groups of some 3-dimensional singularities
Divisorenklassengruppen quasihomogener Singularitäten.
Divisorial cohomology vanishing on toric varieties.
Double point resolutions of deformations of rational singularities
Double-points of compositions.
Dualität in der lokalen Kohomologie isolierter Singularitäten.
E8 und die binäre Ikosaedergruppe.
Effective algebraic geometry and normal forms of reversible mappings.
We present a new method to compute normal forms, applied to the germs of reversible mappings. We translate the classification problem of these germs to the theory of ideals in the space of the coefficients of their jets. Integral factorization coupled with Gröbner basis constructionjs the key factor that makes the process efficient. We also show that a language with typed objects like AXIOM is very convenient to solve these kinds of problems.
Effective freeness of adjoint line bundles.
Eigenschaften der lokalen Ringe in zweidimensionalen Spitzen.
Ein allgemeines Kriterium für das formale Prinzip.
Ein neuer Zusammenhang zwischen einfachen Gruppen und einfachen Singularitäten.
Eindimensionale fast-vollständige Durchschnitte sind nicht starr.
Elementary Contractions of Gorenstein Threefolds.
Elliptic Deformations of Minimally Elliptic Singularities.
Enumerative geometry of degeneracy loci
Equations defining rational singularities
Equimultiple Locus of Embedded Algebroid Surfaces and Blowing–up in Characteristic Zero
2000 Mathematics Subject Classification: 14B05, 32S25.The smooth equimultiple locus of embedded algebroid surfaces appears naturally in many resolution processes, both classical and modern. In this paper we explore how it changes by blowing–up.* Supported by FQM 304 and BFM 2000–1523. ** Supported by FQM 218 and BFM 2001–3207.
Equisingular deformations below the Newton boundary
Equisingular deformations of isolated 2-dimensional hyper-surface singularities.