Product of Rankin-Selberg convolutions and a new proof of Jacquet's local converse conjecture

Fuente: arXiv
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Main Authors: Yan, Pan, Zhang, Qing
Format: Preprint
Published: 2023
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author Yan, Pan
Zhang, Qing
author_facet Yan, Pan
Zhang, Qing
contents In this article, we construct a family of integrals which represent the product of Rankin-Selberg $L$-functions of $\mathrm{GL}_{l}\times \mathrm{GL}_m$ and of $\mathrm{GL}_{l}\times \mathrm{GL}_n $ when $m+n<l$. When $n=0$, these integrals are those defined by Jacquet--Piatetski-Shapiro--Shalika up to a shift. In this sense, these new integrals generalize Jacquet--Piatetski-Shapiro--Shalika's Rankin-Selberg convolution integrals. We study basic properties of these integrals. In particular, we define local gamma factors using this new family of integrals. As an application, we obtain a new proof of Jacquet's local converse conjecture using these new integrals.
format Preprint
id arxiv_https___arxiv_org_abs_2309_10445
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Product of Rankin-Selberg convolutions and a new proof of Jacquet's local converse conjecture
Yan, Pan
Zhang, Qing
Representation Theory
Number Theory
11F70, 22E50
In this article, we construct a family of integrals which represent the product of Rankin-Selberg $L$-functions of $\mathrm{GL}_{l}\times \mathrm{GL}_m$ and of $\mathrm{GL}_{l}\times \mathrm{GL}_n $ when $m+n<l$. When $n=0$, these integrals are those defined by Jacquet--Piatetski-Shapiro--Shalika up to a shift. In this sense, these new integrals generalize Jacquet--Piatetski-Shapiro--Shalika's Rankin-Selberg convolution integrals. We study basic properties of these integrals. In particular, we define local gamma factors using this new family of integrals. As an application, we obtain a new proof of Jacquet's local converse conjecture using these new integrals.
title Product of Rankin-Selberg convolutions and a new proof of Jacquet's local converse conjecture
topic Representation Theory
Number Theory
11F70, 22E50
url https://arxiv.org/abs/2309.10445