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Bulletin of the American Mathematical Society
Bulletin of the American Mathematical Society
ISSN 1088-9485(online) ISSN 0273-0979(print)

 

Ramanujan duals and automorphic spectrum


Authors: M. Burger, J.-S. Li and P. Sarnak
Journal: Bull. Amer. Math. Soc. 26 (1992), 253-257
MSC (2000): Primary 22E45; Secondary 11F70, 22E40
MathSciNet review: 1118700
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Abstract: We introduce the notion of the automorphic dual of a matrix algebraic group defined over Q. This is the part of the unitary dual that corresponds to arithmetic spectrum. Basic functorial properties of this set are derived and used both to deduce arithmetic vanishing theorems of "Ramanujan" type as well as to give a new construction of automorphic forms.


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Additional Information

DOI: http://dx.doi.org/10.1090/S0273-0979-1992-00267-7
PII: S 0273-0979(1992)00267-7
Article copyright: © Copyright 1992 American Mathematical Society