The metamorphosis of λ-fold (K 2 x K3)-designs into A-fold 6-cycle systems

被引：0

作者：

Shen, Jun ^{[1
]}

机构：

[1] Shanghai Univ Engn Sci, Sch Math Phys & Stat, Shanghai 201620, Peoples R China

来源：

AUSTRALASIAN JOURNAL OF COMBINATORICS | 2024年 / 89卷

关键词：

GROUP DIVISIBLE DESIGNS; BLOCK-DESIGNS; FULL METAMORPHOSIS; MAXIMUM PACKINGS;

D O I：

暂无

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Let (X, B ) be a A-fold (K- 2 x K-3) -design of order n. From each B in B , we retain one 6 -cycle subgraph, and delete the remaining edges. If the deleted 3 |B| edges can be rearranged into further 6 -cycles, then we get a A-fold 6 -cycle system. This is called a metamorphosis of a A-fold (K (2) x K- 3 ) -design of order n into a A-fold 6 -cycle system. In this paper we determine the necessary and sufficient conditions for the existence of such a metamorphosis.

引用

页码：294 / 304

页数：11

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