The filtered Cat-HA version of the non-abelian Hodge correspondence

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Let XX be a smooth projective complex curve. The pro-completed category Cohpro,C∗b(Coh/A1(∗)(XDel))\mathsf{Coh}^{\mathsf b}_{\mathsf{pro},\mathbb C^\ast}(\mathbf{Coh}^{(\ast)}_{/\mathbb A^1}(X_\mathsf{Del})) is identified with the corresponding category over [A1/Gm][\mathbb A^1/\mathbb G_m] and is a module over Perffilt\mathsf{Perf}^{\mathsf{filt}}. Filtered Cat-HA version of the non-abelian Hodge correspondence. The morphisms Φ∗\Phi^\ast and Ψ∗\Psi^\ast are equivalences; equivalently, Cohprob(Coh(XdR))\mathsf{Coh}^{\mathsf b}_{\mathsf{pro}}(\mathbf{Coh}(X_\mathsf{dR})) is filtered by Cohpro,C∗b(Coh/A1∗(XDel))\mathsf{Coh}^{\mathsf b}_{\mathsf{pro},\mathbb C^\ast}(\mathbf{Coh}^\ast_{/\mathbb A^1}(X_\mathsf{Del})) with associated graded Cohpro,C∗b(Cohss,0(XDol))\mathsf{Coh}^{\mathsf b}_{\mathsf{pro},\mathbb C^\ast}(\mathbf{Coh}^{\mathsf{ss},0}(X_\mathsf{Dol})). Following Simpson, this is expected to express the filtered relationship between de Rham and Dolbeault categorified Hall algebras, but the supplied text gives no resolution result.

References

Primary source

Mauro Porta and Francesco Sala, “Two-dimensional categorified Hall algebras”, arXiv:1903.07253 (2022).

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