A note on list improper coloring of plane graphs
A note on list improper coloring of plane graphs
复制标题
关于平面图着色不当的列表的注释
DOI:
10.1016/j.dam.2008.06.023
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发表时间:
2009-01
影响因子:
1.1
通讯作者:
许宝刚
中科院分区:
文献类型:
--
作者:
董伟;许宝刚
A list-assignment L to the vertices of G is an assignment of a set L(v) of colors to vertex v for every v∈V(G). An (L,d)∗-coloring is a mapping ϕ that assigns a color ϕ(v)∈L(v) to each vertex v∈V(G) such that at most d neighbors of v receive color ϕ(v). A graph is called (k,d)∗-choosable, if G admits an (L,d)∗-coloring for every list assignment L with |L(v)|≥k for all v∈V(G). In this note, it is proved that every plane graph, which contains no 4-cycles and l-cycles for some l∈{8,9}, is (3,1)∗-choosable.
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