A universal deformation ring which is not a complete intersection ring.

DOI10.1016/J.CRMA.2006.09.015zbMath1134.20302OpenAlexW2020896310MaRDI QIDQ857111

Jakub Byszewski

Publication date: 14 December 2006

Published in: Comptes Rendus. Mathématique. Académie des Sciences, Paris (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.crma.2006.09.015

zbMATH Keywords

complete intersectionsuniversal deformation ringslinear representations of finite groups

Mathematics Subject Classification ID

Ordinary representations and characters (20C15) Galois representations (11F80) Frobenius induction, Burnside and representation rings (19A22)

Related Items (4)

Which weakly ramified group actions admit a universal formal deformation? ⋮ Universal deformation rings and dihedral defect groups ⋮ The inverse problem for universal deformation rings and the special linear group ⋮ Inverse problems for deformation rings

Cites Work

• Functors of Artin Rings
• Universal deformation rings need not be complete intersections
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