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SELF-STABILIZING ACYCLIC COLORINGS OF GRAPHS

机译:自稳定的无环花色

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This paper proposes two self-stabilizing algorithms for acyclic colorings of graphs. An acyclic coloring of a graph G is a coloring of the vertices of G such that the vertices with the same color in G induces an acyclic subgraph. The first algorithm we proposed needs 2 colors for a complete bipartite graph, or less than 1+D/2 colors for a general graph, where D is the degree of G. Both graphs must be acyclic oriented in advance. In some special acyclic orientation, it needs only 3 colors for a planar graph, or a K3,3-free or K5-free graph. The second algorithm we proposed is for a K4-free and rooted graph, and it needs only 2 colors.
机译:针对图的非循环着色,本文提出了两种自稳定算法。图G的非循环着色是G顶点的着色,以使G中具有相同颜色的顶点产生非循环子图。我们提出的第一个算法对于一个完整的二部图需要2种颜色,对于一般图则需要少于1 + D / 2种颜色,其中D是G的度数。两个图都必须事先无环取向。在某些特殊的非循环定向中,平面图或无K3,3或无K5的图只需要3种颜色。我们提出的第二种算法是针对无K4且有根的图,它仅需要两种颜色。

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