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Complete Multipartite Graphs and the Relaxed Coloring Game

机译:完整的多部分图和轻松的着色游戏

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Let k be a positive integer, d be a nonnegative integer, and G be a finite graph. Two players, Alice and Bob, play a game on G by coloring the uncolored vertices with colors from a set X of k colors. At all times, the subgraph induced by a color class must have maximum degree at most d. Alice wins the game if all vertices are eventually colored; otherwise, Bob wins. The least k such that Alice has a winning strategy is called the d-relaxed game chromatic number of G, denoted X_g~d (G). It is known that there exist graphs such that X_g~0(G) = 3, but x_g~1 (G) > 3. We will show that for all positive integers m, there exists a complete multipartite graph G such that m
机译:令k为正整数,d为非负整数,G为有限图。两个玩家Alice和Bob在G上玩游戏,方法是使用来自X个k颜色的颜色为未着色的顶点着色。在任何时候,由颜色类别引起的子图最多必须具有最大度d。如果所有顶点最终都着色,爱丽丝将赢得比赛;否则,鲍勃获胜。使得爱丽丝具有获胜策略的最小k被称为d松弛游戏色数G,表示为X_g〜d(G)。已知存在图X_g〜0(G)= 3,但x_g〜1(G)>3。我们将显示,对于所有正整数m,都存在完整的多部分图G,使得m

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