For a graph F and natural numbers a 1 ; . . . ; a r ; let F ! ða 1 ; . . . ; a r Þ denote the property that for each coloring of the edges of F with r colors, there exists i such that some copy of the complete graph K ai is colored with the ith color. Furthermore, we write ða 1 ; . . . ; a r Þ ! ðb
Vertex Ramsey Properties of Families of Graphs
✍ Scribed by Tomasz Łuczak; Andrzej Ruciński; Sebastian Urbański
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 118 KB
- Volume
- 84
- Category
- Article
- ISSN
- 0095-8956
No coin nor oath required. For personal study only.
✦ Synopsis
For graphs F, G 1 , ..., G r , we write F Q (G 1 , ..., G r ) if for every coloring of the vertices of F with r colors there exists i, i=1, 2, ..., r, such that a copy of G i is colored with the ith color. For two families of graphs G 1 , ..., G r and H 1 , ..., H s , by
.., H s ) for every graph F. In this paper, we give necessary and sufficient conditions for (G 1 , ..., G r ) Q (H 1 , ..., H s ) under some weak assumptions on the families of G 1 , ..., G r and H 1 , ..., H s . We also consider the induced version of this problem.
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