Fargues's cohomological dimension conjecture for constructible sheaves on the Fargues–Fontaine curve

From papers

Let EE be a pp-adic field, let FF be the coefficient field defining the Fargues–Fontaine curve, and let XE,FalgX^{\operatorname{alg}}_{E,F} denote its algebraic version. Let F\mathcal{F} be a constructible Z/nZ\mathbb{Z}/n\mathbb{Z}-module on the étale site of XE,FalgX^{\operatorname{alg}}_{E,F}. Fargues's vanishing conjecture. For every i3i\geq 3, one has

Hi(XE,Falg,F)=0.H^{i}(X^{\operatorname{alg}}_{E,F},\,\mathcal{F})=0.

This predicts that constructible torsion sheaves on the algebraic Fargues–Fontaine curve have no étale cohomology above degree 22. The context records the analogous vanishing as unknown even for local systems, so the conjecture remains open.

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Sources & referencesView supporting material

Primary source

Sebastian Bartling, “Sur la cohomologie étale de la courbe de Fargues-Fontaine”, arXiv:2206.14253 (2022).

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