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math.GR2012
Large universal deformation rings
Frauke M. Bleher
We provide a series of examples of finite groups G and mod p representations V of G whose stable endomorphisms are all given by scalars such that V has a universal deformation ring…
math.GR2012★ 2 cited
Brauer's generalized decomposition numbers and universal deformation rings
Frauke M. Bleher
The versal deformation ring R(G,V) of a mod p representation V of a profinite group G encodes all isomorphism classes of lifts of V to representations of G over complete local comm…