Counterexamples to the lifting problem for singularities

DOI10.1080/00927878308822862zbMath0523.14004OpenAlexW2148229844MaRDI QIDQ3674796

Jerome William Hoffman

Publication date: 1983

Published in: Communications in Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/00927878308822862

zbMATH Keywords

obstructiondeformation functorlifting problem for singularitiesrigidity of commutative algebras

Mathematics Subject Classification ID

Deformations of associative rings (16S80) Deformations and infinitesimal methods in commutative ring theory (13D10) Deformations of singularities (14B07) Formal methods and deformations in algebraic geometry (14D15)

Related Items

On liftable and weakly liftable modules, Deformations of rings, On the lifting problem for homogeneous ideals in polynomial rings

Cites Work

• An obstruction to lifting cyclic modules
• Unnamed Item