Geometric Sen perfectoidness conjecture
Geometric Sen perfectoidness conjecture
Let be an fs log smooth adic space over with normal crossing divisors. Let be a compact -adic Lie group, and let be a pro-Kummer-étale -torsor. The geometric Sen operator is the morphism
Geometric Sen perfectoidness conjecture. The morphism is surjective if and only if is a perfectoid space.
This conjecture proposes that the geometric Sen operator detects precisely the directions in which becomes perfectoid. It is presented as a geometric generalization of Sen's theorem that a -adic Galois representation of a -adic field has vanishing Sen operator if and only if it is potentially unramified; the conjecture's resolution is not specified here.
Sources & referencesView supporting material
Primary source
J. E. Rodríguez Camargo, “Geometric Sen theory over rigid analytic spaces”, arXiv:2205.02016 (2025).
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