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math.AG2021★ 1 cited
Partial Hasse invariants for Shimura varieties of Hodge-type
Naoki Imai, Jean-Stefan Koskivirta
For a connected reductive group over a finite field, we define partial Hasse invariants on the stack of -zip flags. We obtain similar sections on the flag space of Shimura v…
math.AG2011★ 2 cited
Cohomology of rigid curves with semi-stable coverings
Naoki Imai, Takahiro Tsushima
We construct a semi-stable formal model of a wide open rigid curve with a semi-stable covering, and study the l-adic cohomology of the rigid curve. We describe the l-adic cohomolog…