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math.AG2023
Parabolic subgroups in characteristics two and three
Matilde Maccan
This text brings to an end the classification of non-reduced parabolic subgroups in positive characteristic, especially two and three: they are all obtained as intersections of par…
math.AG2023
Projective homogeneous varieties of Picard rank one in small characteristic
Matilde Maccan
We extend to characteristic and the classification of projective homogeneous varieties of Picard group isomorphic to , corresponding to parabolic subgroup schem…