C. Ciobotaru

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math.RT2026

Covers of Bruhat-Tits trees

Corina Ciobotaru, Peter Vang Uttenthal

Let $G$ be a locally compact group and let $G$ be a central extension that splits over a maximal compact subgroup $K$ of $G$ . We derive an explicit cocycle that lifts t…

math.RT2025

Chabauty limits of fixed point groups of $p$ -adic involutions

Corina Ciobotaru

We study Chabauty limits of the fixed-point group of $k$ -points $H_{k}$ associated with an involutive $k$ -automorphism $I^¸$ of a connected linear reductive group $G$ defined over a n…

Covers of Bruhat-Tits trees

Chabauty limits of fixed point groups of p-adic involutions

Chabauty limits of fixed point groups of $p$ -adic involutions