| Original language | English (US) |
|---|---|
| Pages (from-to) | 789-806 |
| Number of pages | 18 |
| Journal | Journal of the London Mathematical Society |
| Volume | 61 |
| Issue number | 3 |
| DOIs | |
| State | Published - Jun 2000 |
Bibliographical note
Funding Information:First author’s research partially supported by NSC grant of Taiwan, second author’s research partially supported by an Earmarked grant of Hong Kong, and third author’s research partially supported by NSF grant DMS-9704482.