Universal deformation rings and Klein four defect groups

DOI10.1090/S0002-9947-02-03072-6zbMath1047.20006OpenAlexW1780099953MaRDI QIDQ3151214

Frauke M. Bleher

Publication date: 7 October 2002

Published in: Transactions of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1090/s0002-9947-02-03072-6

zbMATH Keywords

defect groupsWitt vectorstame blocksuniversal deformation ringsblocks of group algebras

Mathematics Subject Classification ID

Galois theory (11S20) Modular representations and characters (20C20) Group rings of finite groups and their modules (group-theoretic aspects) (20C05)

Related Items

Universal deformation rings and generalized quaternion defect groups., Universal deformation rings for the symmetric group \(S_5\) and one of its double covers., Universal deformation rings and tame blocks, Universal deformation rings and dihedral blocks with two simple modules., Universal deformation rings of modules over Frobenius algebras., Universal deformation rings, endo-trivial modules, and semidihedral and generalized quaternion 2-groups, Universal deformation rings need not be complete intersections, Deformations and derived categories., Universal deformation rings need not be complete intersections, Universal deformation rings for the symmetric group \(S_4\)., Universal deformation rings of modules for algebras of dihedral type of polynomial growth, Witt vectors. Part 1, Deformations and derived equivalences, Universal deformation rings and dihedral defect groups

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