Nonflat deformations of modules and isolated singularities

DOI10.1007/BF01446903zbMath0707.14002MaRDI QIDQ919419

Hartwig von Essen

Publication date: 1990

Published in: Mathematische Annalen (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/164695

zbMATH Keywords

isolated singularitiesdeformation functordeformations of the punctured spectrum

Mathematics Subject Classification ID

Deformations of singularities (14B07) Formal methods and deformations in algebraic geometry (14D15) Grothendieck groups, (K)-theory and commutative rings (13D15) Local deformation theory, Artin approximation, etc. (14B12)

Related Items

The versal deformation space of a reflexive module on a rational cone ⋮ Change of rings in deformation theory of modules ⋮ Deformation theory of Cohen-Macaulay approximation

Cites Work

• Unnamed Item
• Versal deformations and algebraic stacks
• Deformationen von isolierten Singularitäten kohärenter analytischer Garben
• Algebraic approximation of structures over complete local rings
• Anneaux locaux henséliens
• Complexe cotangent et déformations. I. (The cotangent complex and deformations. I.)
• Über die Deformation isolierter Singularitäten analytischer Mengen
• Solutions d'équations à coefficients dans un anneau hensélien
• Functors of Artin Rings
• Formal deformation theory