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Higher Hida theory for Hilbert modular varieties in the totally split case (2106.05666v2)
Published 10 Jun 2021 in math.NT and math.AG
Abstract: We study $p$-adic properties of the coherent cohomology of some automorphic sheaves on the Hilbert modular variety $X$ for a totally real field $F$ in the case where the prime $p$ is totally split in $F$. More precisely, we develop higher Hida theory `{a} la Pilloni, constructing, for $0\leq q\leq [F:\mathbb{Q}]$, some modules $Mq$ which $p$-adically interpolate the ordinary part of the cohomology groups $Hq(X, \underline{\omega}{\kappa})$, varying the weight $\kappa$ of the automorphic sheaf.