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math.AG2025
Logarithmic Dieudonné theory and overconvergent extensions
Marco D'Addezio
In the proof of Crew's parabolicity conjecture, we established a key property concerning the slopes of -hulls of -isocrystals, extending a result of Tsuzuki. This artic…
math.AG2025
Injectivity failure in crystalline comparisons
Daniel Caro, Marco D'Addezio
For smooth affine varieties in positive characteristic, we identify a slope obstruction to the injectivity of the comparison morphism from rigid cohomology to rationalised crystall…