| Original language | English (US) |
|---|---|
| Pages (from-to) | 586-605 |
| Number of pages | 20 |
| Journal | Geometric and Functional Analysis |
| Volume | 8 |
| Issue number | 3 |
| DOIs | |
| State | Published - 1998 |
| Externally published | Yes |
Bibliographical note
Funding Information:Finally, we would like to thank Jim Cogdell for valuable remarks and for pointing out a technical error in the proof of Theorem 4 in our earlier version of this paper, and to thank D. Mostow and S. Rallis for helpful conversations on the topics of this paper. The rst author is partially supported by the NSF Fellowship.