Title
Excluding a Substar and an Antisubstar.
Abstract
Ramsey's theorem says that for every clique H-1 and for every graph H-2 with no edges, all graphs containing neither of H-1, H-2 as induced subgraphs have bounded order. What if, instead, we exclude a graph H-1 with a vertex whose deletion gives a clique, and the complement H-2 of another such graph? This no longer implies bounded order, but it implies tightly restricted structure that we describe. There are also several related subproblems (what if we exclude a star and the complement of a star? what if we exclude a star and a clique? and so on) and we answer a selection of these.
Year
DOI
Venue
2015
10.1137/130946113
SIAM JOURNAL ON DISCRETE MATHEMATICS
Keywords
Field
DocType
induced subgraphs,Ramsey's theorem
Discrete mathematics,Graph,Combinatorics,Clique,Vertex (geometry),Clique graph,Ramsey's theorem,A* search algorithm,Mathematics,Bounded function
Journal
Volume
Issue
ISSN
29
1
0895-4801
Citations 
PageRank 
References 
0
0.34
0
Authors
4
Name
Order
Citations
PageRank
Maria Chudnovsky139046.13
Sergey Norin24710.86
Bruce A. Reed31311122.69
Paul D. Seymour42786314.49