On the relationship between distinction and irreducibility of parabolic induction

Mitra, Arnab

doi:10.1016/j.crma.2019.10.009

Number theory

On the relationship between distinction and irreducibility of parabolic induction
[Sur la relation entre distinction et irréductibilité de l'induction parabolique]

Présenté par : the Editorial Board

Mitra, Arnab ¹

¹ Indian Institute of Science Education and Research Tirupati, India

Comptes Rendus. Mathématique, Tome 357 (2019) no. 11-12, pp. 827-831.

Résumé
Abstract

Soit $U_{2 n}$ le groupe unitaire quasi déployé à 2n variables associé à une extension $E / F$ de corps p-adiques. Dans cette courte note, nous établissons un lien entre la propriété de distinction par ${GL}_{n} (F)$ d'une représentation en échelle de ${GL}_{n} (E)$ et l'irréductibilité de son induite parabolique.

Let $U_{2 n}$ denote the quasi-split unitary group over 2n variables with respect to a quadratic extension $E / F$ of p-adic fields. In this short note, we relate ${GL}_{n} (F)$ -distinction of ladder representations of ${GL}_{n} (E)$ with irreducibility of its Siegel parabolic induction in $U_{2 n}$ .

Reçu le : 2019-09-12
Accepté le : 2019-10-22
Publié le : 2019-11-01

DOI : 10.1016/j.crma.2019.10.009

Affiliations des auteurs :

Mitra, Arnab ¹

¹ Indian Institute of Science Education and Research Tirupati, India

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Mitra, Arnab. On the relationship between distinction and irreducibility of parabolic induction. Comptes Rendus. Mathématique, Tome 357 (2019) no. 11-12, pp. 827-831. doi : 10.1016/j.crma.2019.10.009. http://www.numdam.org/articles/10.1016/j.crma.2019.10.009/

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