What type of study is this?

This is a Quantitative Study study.

October 9, 2025Open Access

On the basic locus of GSpin Shimura varieties with vertex stabilizer level

Puntos clave

The study describes the basic locus of shimura varieties linked to spinor similitudes.
It provides a generalization of existing results related to self-dual structures at the vertex stabilizer level.
The findings build upon the Rapoport-Zink space framework to expand on past research by Howard-Pappas and Oki.
This work highlights the significance of understanding level structures in the context of quadratic spaces.

Resumen

We study the basic locus of Shimura varieties associated to the group of spinor similitudes of a quadratic space over Q with level structure given by the stabilizer of a vertex lattice. We give a description of the underlying reduced scheme of the associated Rapoport--Zink space, generalizing results of Howard--Pappas HP17 and Oki Oki20b, in the case of self-dual, and almost self dual level structure.

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Cite This Study

He et al. (Tue,) studied this question.

synapsesocial.com/papers/68e82b12e7fc21a30050027a https://doi.org/https://doi.org/10.48550/arxiv.2505.08911

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