摘要
主要研究4一致反超图的边数问题。
This paper discusses the edge number of 4-uniform co hypergraphs and constructs a family of 4-uniform co hypergraphs with upper chromatic number of 3 and a small number of co hyperedges.
关键词
反超图
严格着色
上色数
Co hypergraph
Strict coloring
Upper chromatic number
