λ≤5的区传递7-(v, k, λ)设计的存在性(The existence of block-transitive 7-(v, k, λ) designs with λ≤5)
1993年,CAMERON和PRAGEGER证明了不存在t>7的非平凡的区传递t-设计,并且猜想不存在非平凡的区传递6设计.然而区传递7-设计的存在性仍然是一个公开的问题.本文研究了这一公开问题,证明了当λ≤5时不存在非平凡的区传递7-(v, k, λ)设计....
| Published in: | Zhejiang Daxue xuebao. Lixue ban |
|---|---|
| Main Authors: | , |
| Format: | Article |
| Language: | Chinese |
| Published: |
Zhejiang University Press
2013-07-01
|
| Subjects: | |
| Online Access: | https://doi.org/10.3785/j.issn.1008-9497.2013.04.004 |
