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Related papers: Moduli spaces in $p$-adic non-abelian Hodge theory

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For any rigid space over a perfectoid extension of $\mathbb Q_p$ that admits a liftable smooth formal model, we construct an isomorphism between the moduli stacks of Hitchin-small Higgs bundles and Hitchin-small v-vector bundles. This…

Algebraic Geometry · Mathematics 2023-12-14 Johannes Anschütz , Ben Heuer , Arthur-César Le Bras

For any smooth proper rigid analytic space $X$ over a complete algebraically closed extension of $\mathbb Q_p$, we construct a $p$-adic Simpson correspondence: an equivalence of categories between vector bundles on Scholze's pro-\'etale…

Algebraic Geometry · Mathematics 2025-01-22 Ben Heuer

For a smooth projective curve $X$ over $\mathbb C_p$ and any reductive group $G$, we show that the moduli stack of $G$-Higgs bundles on $X$ is a twist of the moduli stack of v-topological $G$-bundles on $X_v$ in a canonical way. We explain…

Algebraic Geometry · Mathematics 2024-02-05 Ben Heuer , Daxin Xu

For any smooth proper rigid space $X$ over a complete algebraically closed extension $K$ of $\mathbb Q_p$ we give a geometrisation of the $p$-adic Simpson correspondence of rank one in terms of analytic moduli spaces: The $p$-adic character…

Algebraic Geometry · Mathematics 2022-12-06 Ben Heuer

The p-adic Simpson correspondence due to Faltings is a p-adic analogue of non-abelian Hodge theory. The following is the main result of this article: The correspondence for line bundles can be enhanced to a rigid analytic morphism of moduli…

Algebraic Geometry · Mathematics 2021-07-05 Ziyan Song

In this paper, we show that for any reductive group $G$ the moduli space of semistable $G$-Higgs bundles on a curve in characteristic $p$ is a twisted form of the moduli space of semistable flat $G$-connections. This is the semistable…

Algebraic Geometry · Mathematics 2023-10-26 Andres Fernandez Herrero , Siqing Zhang

Let $X$ be a smooth projective curve of genus $g \geq 3$, and let $G$ be a nontrivial connected reductive affine algebraic group over $\mathbb{C}$. Examining the moduli spaces of regularly stable $G$-Higgs bundles and holomorphic…

Algebraic Geometry · Mathematics 2026-03-03 Sumit Roy

We generalize several known results on small Simpson correspondence for smooth formal schemes over $\calO_C$ to the case for semi-stable formal schemes. More precisely, for a liftable semi-stable formal scheme $\frakX$ over $\calO_C$ with…

Algebraic Geometry · Mathematics 2024-10-15 Mao Sheng , Yupeng Wang

We explore generalizations of the $p$-adic Simpson correspondence on smooth proper rigid spaces to principal bundles under rigid group varieties $G$. For commutative $G$, we prove that such a correspondence exists if and only if the Lie…

Algebraic Geometry · Mathematics 2025-03-19 Ben Heuer , Annette Werner , Mingjia Zhang

We start with a curve over an algebraically closed ground field of positive characteristic $p>0$. By using specialization techniques, under suitable natural coprimality conditions, we prove a cohomological Simpson Correspondence between the…

Algebraic Geometry · Mathematics 2022-03-01 Mark Andrea A. de Cataldo , Siqing Zhang

We construct a universal partial compactification of the relative moduli space of semistable meromorphic Higgs bundles over the stack of stable pointed curves. It parametrizes meromorphic Gieseker Higgs bundles, and is equipped with a flat…

Algebraic Geometry · Mathematics 2024-11-27 Ron Donagi , Andres Fernandez Herrero

We prove a rigidity result for automorphisms of points of certain stacks admitting adequate moduli spaces. It encompasses as special cases variations of the moduli of $G$-bundles on a smooth projective curve for a reductive algebraic group…

Algebraic Geometry · Mathematics 2023-03-21 Andres Fernandez Herrero

We use techniques of Alper-Hall-Rydh to prove a local structure theorem for smooth morphisms between smooth stacks around points with linearly reductive stabilizers. This implies that the good moduli space of a smooth stack over a base has…

Algebraic Geometry · Mathematics 2026-05-12 Mark Andrea de Cataldo , Andres Fernandez Herrero , Andrés Ibáñez Núñez

This paper provides an introduction to non-abelian Hodge theory and moduli spaces of Higgs bundles on compact Riemann surfaces. We develop the moduli theory of vector bundles and Higgs bundles, establish the main correspondences of…

Algebraic Geometry · Mathematics 2026-01-14 Guillermo Gallego

In the wild nonabelian Hodge correspondence on curves, filtered Stokes G-local systems are regarded as the objects on the Betti side. In this paper, we demonstrate a construction of the moduli space of them, called the Betti moduli space,…

Algebraic Geometry · Mathematics 2024-08-02 Pengfei Huang , Hao Sun

We study the moduli space M(G,A) of flat G-bundles on an Abelian surface A, where G is a compact, simple, simply connected, connected Lie group. Equivalently, M(G,A) is the (coarse) moduli space of s-equivalence classes of holomorphic…

Algebraic Geometry · Mathematics 2007-05-23 Jim Bryan , Ron Donagi , Naichung Conan Leung

Let $X$ be a quasi-compact quasi-separated $p$-adic formal scheme that is smooth either over a perfectoid $\mathbb{Z}_p$-algebra or over some ring of integers of a $p$-adic field. We construct a fully faithful functor from perfect complexes…

Algebraic Geometry · Mathematics 2025-01-22 Johannes Anschütz , Ben Heuer , Arthur-César Le Bras

We show the smoothness over the affine line of the Hodge moduli space of logarithmic t-connections of coprime rank and degree on a smooth projective curve with geometrically integral fibers over an arbitrary Noetherian base. When the base…

Algebraic Geometry · Mathematics 2024-02-21 Mark Andrea A. de Cataldo , Andres Fernandez Herrero

We show that the moduli space of simple flat bundles over a compact Sasakian manifold is a finite disjoint union of moduli spaces of simple flat bundles with fixed basic structures. This gives a detailed description of the non-abelian Hodge…

Differential Geometry · Mathematics 2024-10-28 Hisashi Kasuya

The classical Simpson correspondence describes complex linear representations of the fundamental group of a smooth complex projective variety in terms of linear algebra objects, namely Higgs bundles. Its p-adic analogue, introduced by G.…

Algebraic Geometry · Mathematics 2026-05-05 Ahmed Abbes , Michel Gros , Takeshi Tsuji
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