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 a dihedral defect group D such that there are precisely...
Bleher, Frauke M., Giovanna Llosent, and Jennifer B. Schaefer. Universal Deformation Rings and Tame Blocks. Journal of Algebra 412 (2014): 87-106. doi: 10.1016/j.jalgebra.2014.05.002, Let k be an algebraically closed field of...