Whittaker Functionals for Exceptional Representations
Sihan Li
Source abstract
In the study of automorphic forms on covering groups, Kazhdan-Patterson gives a formula that determines when the Whittaker functionals of induced representations can be descended to exceptional representations. In this paper, first, following the original approach given by Kazhdan-Patterson and applying the block-compatible 2-cocycle of Banks-Levy-Sepanski, we fill in several details omitted in the original proof. Secondly, we compare the formula of Kazhdan-Patterson with that of McNamara and Gao, which is formulated in a more general setting.
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