A criterion for the rigidity of fibered products of rigid algebras

DOI10.1016/0021-8693(77)90393-3zbMath0411.13007OpenAlexW1965457896MaRDI QIDQ1259632

Ronald P. Sheets

Publication date: 1977

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

Full work available at URL: https://doi.org/10.1016/0021-8693(77)90393-3

zbMATH Keywords

derivationLichtenbaum-Schlessinger-Andre-Quillen cohomologyRigid k-algebra

Mathematics Subject Classification ID

Morphisms of commutative rings (13B10) Deformations and infinitesimal methods in commutative ring theory (13D10) Deformations of singularities (14B07) Formal methods and deformations in algebraic geometry (14D15)

Cites Work

• Rigidity of quotient singularities
• Deformations of Plane Curves with Nodes and Cusps
• The Cotangent Complex of a Morphism
• Functors of Artin Rings
• Formal deformation theory
• Torsion Differentials and Deformation
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