@book{Kontogeorgis2019-kz, author = {Kontogeorgis, Aristides and Tsouknidas, Ioannis}, title = {A cohomological treatise of {HKG-covers} with applications to the Nottingham group}, arxivid = {1901.08446}, eprint = {1901.08446}, file = {1901.08446.pdf}, month = {jan}, primaryclass = {math.AG}, year = {2019}, abstract = {We characterize Harbater-Katz-Gabber curves in terms of a family of cohomology classes satisfying a compatibility condition. Our construction is applied to the description of finite subgroups of the Nottingham Group.}, url = {http://arxiv.org/abs/1901.08446}, archiveprefix = {arXiv} }