Journal article
Universal deformation rings and Klein four defect groups
Transactions of the American Mathematical Society, Vol.354(10), pp.3893-3906
2002
DOI: 10.1090/S0002-9947-02-03072-6
Abstract
In this paper, the universal deformation rings of certain modular representations of a finite group are determined. The representations under consideration are those which are associated to blocks with Klein four defect groups and whose stable endomorphisms are given by scalars. It turns out that these universal deformation rings are always subquotient rings of the group ring of a Klein four group over the ring of Witt vectors.
Details
- Title: Subtitle
- Universal deformation rings and Klein four defect groups
- Creators
- Frauke M Bleher
- Resource Type
- Journal article
- Publication Details
- Transactions of the American Mathematical Society, Vol.354(10), pp.3893-3906
- DOI
- 10.1090/S0002-9947-02-03072-6
- ISSN
- 0002-9947
- eISSN
- 1088-6850
- Publisher
- American Mathematical Society
- Language
- English
- Date published
- 2002
- Academic Unit
- Mathematics
- Record Identifier
- 9983985710002771
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