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math.RT2013★ 2 cited
Universal deformation rings and tame blocks
Frauke M. Bleher, Giovanna Llosent, Jennifer B. Schaefer
Let k be an algebraically closed field of positive characteristic, and let W be the ring of infinite Witt vectors over k. Suppose G is a finite group and B is a block of kG of infi…
math.RT2013★ 2 cited
Universal deformation rings of group representations, with an application of Brauer's generalized decomposition numbers
Frauke M. Bleher
We give an introduction to the deformation theory of linear representations of profinite groups which Mazur initiated in the 1980's. We then consider the case of representations of…