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math.RT2007★ 9 cited
Universal deformation rings and dihedral 2-groups
Frauke Bleher
Let be an algebraically closed field of characteristic 2, and let be the ring of infinite Witt vectors over . Suppose is a dihedral 2-group. We prove that the univer…
math.RT2006★ 24 cited
Universal deformation rings and dihedral defect groups
Frauke M. Bleher
Let k be an algebraically closed field of characteristic 2, 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 with dihedral…