Distinguished representations, base change, and reducibility for unitary groups

Anandavardhanan, U.K. ; Rajan, C. (2005) Distinguished representations, base change, and reducibility for unitary groups International Mathematics Research Notices, 2005 (14). p. 841. ISSN 1073-7928

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Official URL: http://doi.org/10.1155/IMRN.2005.841

Related URL: http://dx.doi.org/10.1155/IMRN.2005.841

Abstract

We show the equality of the local Asai L-functions defined via the Rankin-Selberg method and the Langlands-Shahidi method for a square-integrable representation of GLn(E). As a consequence, we characterize reducibility of certain induced representations of U(n,n), and the image of the base change map from U(n) to GLn(E) in terms of GLn(F)-distinguishedness. We also determine precisely when the Steinberg representation of GLn(E) is distinguished with respect to a character of F*.

Item Type:Article
Source:Copyright of this article belongs to Oxford University Press.
Keywords:Unitary Group; Conjecture; Irreducible Representations; Smooth Representation; Proof Of Theorem; Representative Group; Functional Equation; Rational Function; Functor; Global Theory
ID Code:135973
Deposited On:19 May 2025 08:00
Last Modified:19 May 2025 08:00

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