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arXiv 2107.08375math.NTmath.AG
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椭圆函数域上PGL(3)的自守形式第1部分:Hecke算子的图

Automorphic forms for PGL(3) over elliptic function fields. Part 1: Graphs of Hecke operators

Roberto Alvarenga, Oliver Lorscheid, Valdir Pereira Júnior

摘要:

这是我们在椭圆函数域上发展GL(3)和PGL(3)自守形式的显式计算方法的一系列论文的第一部分。在第一部分中,我们确定了Hecke算子在GL(2)和GL(3)上的自守形式上的作用的显式公式。我们的主要结果包括GL(3)的1度Hecke算子的图的完整描述。作为补充结果,我们描述了GL(2)的2度Hecke算子图的偶分支和GL(3)的2度Hecke算子图的单位元的邻域.此外,我们还建立了Hecke算子对GL(n)和PGL(n)的两个对偶,它们对所有n,所有度和所有函数域都成立.

英文摘要:

This is a first part of a series of papers in which we develop explicit computational methods for automorphic forms for GL(3) and PGL(3) over elliptic function fields. In this first part, we determine explicit formulas for the action of the Hecke operators on automorphic forms on GL(2) and GL(3) in terms of their graphs. Our primary result consists in a complete description of the graphs of degree 1 Hecke operators for GL(3). As complementary results, we describe the 'even component' of the graphs of degree 2 Hecke operators for GL(2) and the 'neighborhood of the identity' of the graphs of degree 2 Hecke operators for GL(3). In addition, we establish two dualities for Hecke operators for GL(n) and PGL(n), which hold for all n, all degrees and all function fields.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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