Crystalline fundamental groups. I: Isocrystals on log crystalline site and log convergent site. (English) Zbl 0984.14009
Crystalline fundamental groups are defined for fine log schemes over a perfect field of positive characteristic. Several of their key properties are proved.
Reviewer: A.Dimca (Bordeaux)
MSC:
14F30 | \(p\)-adic cohomology, crystalline cohomology |
14F35 | Homotopy theory and fundamental groups in algebraic geometry |
14F40 | de Rham cohomology and algebraic geometry |