Geometric Verdier duality for pro-étale cohomology of Stein rigid analytic varieties

Let CC be the base field, let XX be a smooth Stein rigid analytic variety over CC, connected and of dimension dd, and write RΓproeˊt(X,Qp(j))\mathrm R\Gamma_{\operatorname{pro\acute{e}t}}(X,\mathbf{Q}_p(j)) and RΓproeˊt,c(X,Qp(j))\mathrm R\Gamma_{\operatorname{pro\acute{e}t},c}(X,\mathbf{Q}_p(j)) for pro-étale cohomology complexes with and without compact support. Let RHomVS\mathrm R\operatorname{Hom}_{\mathrm{VS}} denote derived Hom in the category of vector spaces. Geometric Verdier duality conjecture. There is a natural quasi-isomorphism

RΓproeˊt(X,Qp(j))RHomVS(RΓproeˊt,c(X,Qp(d+1j))[2d],Qp(1)).\mathrm R\Gamma_{\operatorname{pro\acute{e}t}}(X,\mathbf{Q}_p(j))\simeq \mathrm R\operatorname{Hom}_{\mathrm{VS}}\bigl(\mathrm R\Gamma_{\operatorname{pro\acute{e}t},c}(X,\mathbf{Q}_p(d+1-j))[2d],\mathbf{Q}_p(1)\bigr).

The statement is explicitly proposed as a geometric duality result in arbitrary dimension after computations that ignore functional-analytic topology. Its validity, including the omitted topological issues, remains open in the supplied text.

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Primary source

Pierre Colmez, Sally Gilles and Wiesława Nizioł, “Arithmetic duality for p-adic pro-étale cohomology of analytic curves”, arXiv:2308.07712 (2023).

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