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arXiv math/0609460math.NTmath.RT
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不可约性与尖性

Irreducibility and cuspidality

Dinakar Ramakrishnan

摘要:

不可约表示是一般半单伽罗瓦表示ρ的基本单位,尖点表示是一般线性群的自守形式π的基本单位。当前一种类型的对象与后一种类型的对象相关联时,通常根据L-函数的恒等式,前一种类型的对象的不可约性应该暗示着后一种类型的对象的尖点性,反之亦然。要在两个方向上证明这一期望都不是一件简单的事情,而且在大于2的维度上也没有什么是已知的。本文的主要结果表明,当n < 6时,正则代数π的尖点性是由ρ的不可约性所隐含的。

英文摘要:

Irreducible representations are the building blocks of general, semisimple Galois representations ρ, and cuspidal representations are the building blocks of automorphic forms πof the general linear group. It is expected that when an object of the former type is associated to one of the latter type, usually in terms of an identity of L-functions, the irreducibility of the former should imply the cuspidality of the latter, and vice-versa. It is not a simple matter - at all - to prove this expectation in either direction, and nothing much is known in dimensions >2. The main result of this article shows for n < 6, in particular, that the cuspidality of a regular algebraic πis implied by the irreducibility of ρ.

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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