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On Subgraphs Induced by Transversals in Vertex-Partitions of Graphs
2006
Electronic Journal of Combinatorics
For a fixed graph $H$ on $k$ vertices, we investigate the graphs, $G$, such that for any partition of the vertices of $G$ into $k$ color classes, there is a transversal of that partition inducing $H$. For every integer $k\geq 1$, we find a family ${\cal F}$ of at most six graphs on $k$ vertices such that the following holds. If $H\notin {\cal F}$, then for any graph $G$ on at least $4k-1$ vertices, there is a $k$-coloring of vertices of $G$ avoiding totally multicolored induced subgraphs
doi:10.37236/1062
fatcat:53bjbicfknfard2nf2bbzilkze