On the number of minimal separators in graphs
On the number of minimal separators in graphs
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关于图中最小分隔符的数量
DOI:
10.1002/jgt.22179
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发表时间:
2015
影响因子:
0.9
通讯作者:
Simon Mackenzie
中科院分区:
文献类型:
--
作者:
Serge Gaspers;Simon Mackenzie
Weconsider the largest number of minimal separators a graph on n vertices can have. –We give a new proof that this number is in O1+52n·n . –We prove that this number is in ω(1.4457n) , improving on the previous best lower bound of Ω(3n/3)⊆ω(1.4422n) .This gives also an improved lower bound on the number of potential maximal cliques in a graph. We would like to emphasize that our proofs are short, simple, and elementary.