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Related papers: Rapoport-Zink spaces of Hodge type

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We develop a theory of Hodge type Rapoport-Zink formal schemes, which uniformize certain formal completions of the canonical integral models of Shimura varieties of Hodge type at primes of good reduction. We then apply the general theory to…

Algebraic Geometry · Mathematics 2019-02-20 B. Howard , G. Pappas

In this article, we treat two questions on Rapoport--Zink spaces of Hodge type constructed by Hamacher and Kim. One of which is their singularities, and the other is $p$-adic uniformization of Shimura varieties. More precisely, we prove…

Number Theory · Mathematics 2020-12-15 Yasuhiro Oki

This is a survey article that advertizes the idea that there should exist a theory of p-adic local analogues of Shimura varieties. Prime examples are the towers of rigid-analytic spaces defined by Rapoport-Zink spaces, and we also review…

Algebraic Geometry · Mathematics 2014-01-20 Michael Rapoport , Eva Viehmann

Rapoport-Zink spaces, or more generally local Shimura varieties, are expected to provide geometric realization of the local Langlands correspondence via their $l$-adic cohomology. Along this line is a conjecture by Harris and Viehmann,…

Algebraic Geometry · Mathematics 2022-09-20 Serin Hong

We enlarge the class of Rapoport-Zink spaces of Hodge type by modifying the centers of the associated $p$-adic reductive groups. These such-obtained Rapoport-Zink spaces are called of abelian type. The class of Rapoport-Zink spaces of…

Number Theory · Mathematics 2019-05-08 Xu Shen

We describe the structure of the supersingular Rapoport-Zink space associated to the group of unitary similitudes of signature (2,n-2) for an unramified quadratic extension of p-adic fields. In earlier work, two of the authors described the…

Number Theory · Mathematics 2024-09-25 Maria Fox , Benjamin Howard , Naoki Imai

Under a mild condition, we prove that the action of the group of self-quasi-isogenies on the set of irreducible components of a Rapoport-Zink space has finite orbits. Our method allows both ramified and non-basic cases. As a consequence, we…

Algebraic Geometry · Mathematics 2018-04-18 Yoichi Mieda

We prove several results about p-divisible groups and Rapoport-Zink spaces. Our main goal is to prove that Rapoport-Zink spaces at infinite level are naturally perfectoid spaces, and to give a description of these spaces purely in terms of…

Number Theory · Mathematics 2013-04-16 Peter Scholze , Jared Weinstein

As an example of relative p-adic Hodge theory, we sketch the construction of the universal admissible filtration of an isocrystal (\phi$-module) over the completion of the maximal unramified extension of Q_p, together with the associated…

Number Theory · Mathematics 2010-04-07 Kiran S. Kedlaya

We prove a conjecture of Pappas and Rapoport about the existence of ''canonical'' integral models of Shimura varieties of Hodge type with quasi-parahoric level structure at a prime $p$. For these integral models, we moreover show…

Number Theory · Mathematics 2026-04-27 Patrick Daniels , Pol van Hoften , Dongryul Kim , Mingjia Zhang

Let $G$ be a reductive group scheme over the $p$-adic integers, and let $\mu$ be a minuscule cocharacter for $G$. In the Hodge-type case, we construct a functor from nilpotent $(G,\mu)$-displays over $p$-nilpotent rings $R$ to formal…

Number Theory · Mathematics 2023-03-22 Patrick Daniels

In this article, we give a concrete description of the underlying reduced subscheme of the Rapoport--Zink spaces for spinor similitude groups with special maximal parahoric (and non-hyperspecial) level structure. Moreover, we give two…

Number Theory · Mathematics 2020-12-15 Yasuhiro Oki

We give proofs of de Rham comparison isomorphisms for rigid-analytic varieties, with coefficients and in families. This relies on the theory of perfectoid spaces. Another new ingredient is the pro-etale site, which makes all constructions…

Algebraic Geometry · Mathematics 2012-11-06 Peter Scholze

We reinterpret and generalize the construction of local Shimura varieties and their non-minuscule analogs by viewing them as moduli spaces of admissible pairs. Our main application is a bi-analytic Ax-Lindemann theorem comparing, in the…

Number Theory · Mathematics 2025-03-04 Sean Howe , Christian Klevdal

The motivation for this paper is the study of arithmetic properties of Shimura varieties, in particular the Newton stratification of the special fiber of a suitable integral model at a prime with parahoric level structure. This is closely…

Algebraic Geometry · Mathematics 2019-05-13 Ulrich Goertz , Xuhua He , Sian Nie

We consider unitary Shimura varieties at places where the totally real field ramifies over $\mbQ$. Our first result constructs comparison isomorphisms between absolute and relative local models in this context, which relies on a…

Algebraic Geometry · Mathematics 2025-09-10 Yu Luo , Andreas Mihatsch , Zhiyu Zhang

Let (G, \mu) be a pair of a reductive group G over the p-adic integers and a minuscule cocharacter {\mu} of G defined over an unramified extension. We introduce and study "(G, \mu)-displays" which generalize Zink's Witt vector displays. We…

Algebraic Geometry · Mathematics 2018-05-14 O. Bueltel , G. Pappas

This survey article explains the construction of Rapoport-Zink local models and their use in understanding various questions relating to the singularities in the reduction modulo p of certain Shimura varieties with parahoric level structure…

Algebraic Geometry · Mathematics 2007-05-23 Thomas J. Haines

We compute the level groups associated with mixed Shimura varieties that appear at the boundaries of compactifications of Shimura varieties and show that the boundaries of minimal compactifications of Pappas-Rapoport integral models are…

Number Theory · Mathematics 2025-04-22 Shengkai Mao

In their paper Scholze and Weinstein show that a certain diagram of perfectoid spaces is Cartesian. In this paper, we generalize their result. This generalization will be used in a forthcoming paper of ours to compute certain non-trivial…

Number Theory · Mathematics 2024-02-23 Mohammad Hadi Hedayatzadeh
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