Distributions of Integral Points and Dedekind Zeta Values

2025/12/18 by Cai, Li, Deng, Taiwang
#FOS: Mathematics #Number Theory (math.NT)

paper · doi:10.48550/arxiv.2512.16462

Abstract

We study the distribution of integral matrices with a fixed characteristic polynomial. When the polynomial is irreducible, we determine the leading term of the distribution in terms of zeta functions of orders. The proof is based on an equidistribution property of orbits, a reformulation of the distribution into orbital integrals via the strong approximation with Brauer-Manin obstruction and the Tate-Nakayama duality, endoscopic fundamental lemma, and a critical input that links orbital integrals to residues of zeta functions of orders.

Citations

• Diophantine analysis and Arthur's trace formula
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• Le lemme fondamental pour les algebres de Lie
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• Permutohedra, associahedra, and beyond
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