On the Unipotent $p$-adic Simpson Correspondence

Abstract: The goal of this paper is to show a (derived) $p$-adic Simpson correspondence for (locally) unipotent coefficients on smooth rigid-analytic varieties. Our results depend on a deformation to $\mathbf{B}\mathtt{dr}^+/\xi^2$, and not on a choice of exponential (as required for more general coefficients). Our methods are inherently higher categorical, hinging on the theory of modules over $\mathbf{E}\infty$-algebras.