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On the Ramanujan conjecture for automorphic forms over function fields I. Geometry
Journal of the American Mathematical Society ( IF 3.9 ) Pub Date : 2021-04-16 , DOI: 10.1090/jams/968
Will Sawin , Nicolas Templier

Abstract:Let $G$ be a split semisimple group over a function field. We prove the temperedness at unramified places of automorphic representations of $G$, subject to a local assumption at one place, stronger than supercuspidality, and assuming the existence of cyclic base change with good properties. Our method relies on the geometry of $\operatorname {Bun}_G$. It is independent of the work of Lafforgue on the global Langlands correspondence.


中文翻译:

关于函数域上自守形式的拉马努金猜想 I. 几何

摘要:令 $G$ 是一个函数域上的分裂半单群。我们证明了 $G$ 的自守表示在未分枝的地方的缓和性,受制于一个地方的局部假设,强于 supercuspidality,并假设存在具有良好性质的循环基变化。我们的方法依赖于 $\operatorname {Bun}_G$ 的几何形状。它独立于 Lafforgue 在全球朗兰兹通信方面的工作。
更新日期:2021-04-16
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