Automorphic Integral Transforms for Classical Groups II: Twisted Descents

Dihua Jiang, Lei Zhang

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Scopus citations

Abstract

The paper (Jiang, Automorphic forms: L-functions and related geometry: assessing the legacy of I.I. Piatetski-Shapiro. Contemporary mathematics, vol 614. American Mathematical Society, Providence, RI, 2014, pp 179–242) forms Part I of the theory of Automorphic Integral Transforms for Classical Groups, where the first named author made a conjecture on how the global Arthur parameters may govern the structure of the Fourier coefficients of the automorphic representations in the corresponding global Arthur packets. This leads to a better understanding of the automorphic kernel functions with which the integral transforms yield conjecturally the endoscopic correspondences for classical groups. In this paper, we discuss the Twisted Automorphic Descent method and its variants that construct concrete modules for irreducible cuspidal automorphic representations of general classical groups. When the global Arthur parameters are generic, the details of the theory are referred to Jiang et al. (2015, accepted by IMRN), Jiang and Zhang (2015, submitted; 2015, in preparation), which extend the automorphic descent method of Ginzburg-Rallis-Soudry (The descent map from automorphic representations of GL(n) to classical groups. World Scientific, Singapore, 2011) to great generality.

Original languageEnglish (US)
Title of host publicationProgress in Mathematics
PublisherSpringer Basel
Pages303-335
Number of pages33
DOIs
StatePublished - 2017

Publication series

NameProgress in Mathematics
Volume323
ISSN (Print)0743-1643
ISSN (Electronic)2296-505X

Bibliographical note

Funding Information:
The research of the first named author is supported in part by the NSF Grants DMS–1301567, and that of the second named author is supported in part by the National University of Singapore’s start-up grant.

Publisher Copyright:
© 2017, Springer International Publishing AG.

Keywords

  • Fourier coefficients of automorphic forms
  • Global arthur packets and discrete spectrum
  • Twisted automorphic descents

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