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A proof of the refined Gan--Gross--Prasad conjecture for non-endoscopic Yoshida lifts

2016-05-19
Andrew Corbett

Abstract

We prove a precise formula relating the Bessel period of certain automorphic forms on ${\rm GSp}{4}(\mathbb{A}{F})toacentralLvalue.ThisisaspecialcaseoftherefinedGanGrossPrasadconjectureforthegroups({\rm SO}{5},{\rm SO}{2})assetoutbyIchinoIkedaandLiu.Thisconjectureisdeepandhardtoproveinfullgenerality;inthispaperwesucceedinprovingtheconjectureforformslifted,viaautomorphicinduction,from{\rm GL}{2}(\mathbb{A}{E})whereEisaquadraticextensionofF.ThecasewhereE=F\times F$ has been previously dealt with by Liu.

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URL

https://arxiv.org/abs/1507.00089

PDF

https://arxiv.org/pdf/1507.00089


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