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QUANTUM ERGODICITY FOR COMPACT QUOTIENTS OF $\operatorname {SL}_d({\mathbb R})/\textrm {SO}(d)$ IN THE BENJAMINI–SCHRAMM LIMIT

Published online by Cambridge University Press:  13 December 2021

Farrell Brumley
Affiliation:
Université Sorbonne Paris Nord, Laga – Institut Galilée, 99 Avenue Jean Baptiste Clément, Villetaneuse 93430, France (brumley@math.univ-paris13.fr)
Jasmin Matz*
Affiliation:
Department of Mathematical Science, University of Copenhagen, Universitetsparken 5, Copenhagen 2100, Denmark

Abstract

We study the limiting behavior of Maass forms on sequences of large-volume compact quotients of $\operatorname {SL}_d({\mathbb R})/\textrm {SO}(d)$, $d\ge 3$, whose spectral parameter stays in a fixed window. We prove a form of quantum ergodicity in this level aspect which extends results of Le Masson and Sahlsten to the higher rank case.

Type
Research Article
Copyright
© The Author(s), 2021. Published by Cambridge University Press

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