Super-simple group divisible designs with block size 4 and index 5

作者：Cao H^*; Yan F

来源：Discrete Mathematics, 2009, 309(16): 5111-5119.

DOI：10.1016/j.disc.2009.03.041

• Group divisible design
• Super-simple

In this paper, we investigate the existence of a super-simple(4,5)-GDD of type g(u) and show that such a design exists if and only if u >= 4, g(u - 2) >= 10, g(u - 1) equivalent to 0 (mod 3) and u(u - 1)g(2) equivalent to 0 (mod 12).

• 出版日期2009-8-28
• 单位南京师范大学