Universal Graphs for Two Graph Properties

被引:0
|
作者
Broere, Izak [1 ]
Vetrik, Tomas [1 ]
机构
[1] Univ Pretoria, Dept Math & Appl Math, ZA-0002 Pretoria, South Africa
关键词
D O I
暂无
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
The graphs we consider are all countable. A graph U is universal in a given set P of graphs if every graph in P is an induced subgraph of U and U is an element of P. In this paper we show the existence of a universal graph in the set of all countable graphs with block order bounded by a fixed positive integer. We also investigate some classes of interval graphs and work towards finding universal graphs for them. The sets of graphs we consider are all examples of induced-hereditary graph properties.
引用
收藏
页码:257 / 262
页数:6
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