Displaying similar documents to “Lifting Witt subgroups to characteristic zero.”

Transversal crystals of finite level

Bernard Le Stum, Adolfo Quirós (1997)

Annales de l'institut Fourier

Similarity:

We extend Ogus’notion of T -crystal and F -span to the context of Berthelot’s crystals of level m and we study the generalization of Ogus’theorem on the equivalence between T -crystals and F -spans of width less than p .