Canad. J. Math. 58(2006), 643-672
Printed: Jun 2006
The equality of the centralizer and twisted centralizer is proved
based on a case-by-case analysis when the unipotent radical of a
maximal parabolic subgroup is abelian.
Then this result is used to determine the poles of intertwining operators.
11F70 - Representation-theoretic methods; automorphic representations over local and global fields