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math.AG2022
A comparison between compactly supported rigid and -module cohomology
Tomoyuki Abe, Christopher Lazda
The goal of this article is to prove a comparison theorem between rigid cohomology and cohomology computed using the theory of arithmetic -modules. To do this, we cons…
math.NT2022★ 2 cited
Reduction of Kummer surfaces modulo 2 in the non-supersingular case
Christopher Lazda, Alexei Skorobogatov
We obtain necessary and sufficient conditions for the good reduction of Kummer surfaces attached to abelian surfaces with non-supersingular reduction when the residue field is perf…