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math.AG2020★ 1 cited
Complex reflection groups and K3 surfaces I
Cédric Bonnafé, Alessandra Sarti
We construct here many families of K3 surfaces that one can obtain as quotients of algebraic surfaces by some subgroups of the rank four complex reflection groups. We find in total…
math.AG2019★ 8 cited
K3 surfaces with maximal finite automorphism groups containing
Cédric Bonnafé, Alessandra Sarti
It was shown by Mukai that the maximum order of a finite group acting faithfully and symplectically on a K3 surface is and that the group is isomorphic to the group …
math.AG2007
Affineness of Deligne-Lusztig varieties for minimal length elements
Cédric Bonnafé, Raphaël Rouquier
We prove that the Deligne-Lusztig varieties associated to elements of the Weyl group which are of minimal length in their twisted class are affine. Our proof differs from the proof…