t-Designs with the number of blocks close to the Fisher type lower bound

JOURNAL OF COMBINATORIAL THEORY SERIES A

卷:120

Article

Bannai, Eiichi¹ 

[1] Shanghai Jiao Tong Univ, Dept Math, Shanghai 200240, Peoples R China

关键词: t-Design;    t-(v, k, lambda) design;    Tight design;    Fisher type bound;   

DOI  :  10.1016/j.jcta.2013.05.005

来源: Elsevier

【 摘 要 】

It is shown that, for any given pair of positive integers e and c, there are only finitely many non-trivial 2e-(v, k, lambda) designs where the number of blocks b is equal to (v e) + c. (C) 2013 Elsevier Inc. All rights reserved.

【 授权许可】

Free