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检索条件"主题词=choosability"
4 条 记 录,以下是1-10 订阅
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On 3-choosability of triangle-free plane graphs
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Science China Mathematics 2011年 第6期54卷 1287-1298页
作者: WANG YingQian ZHANG QiJun Department of Mathematics Zhejiang Normal University Jinhua 321004 China
It is known that every triangle-free plane graph is ***,such a triangle-free plane graph may not be *** this paper,we prove that a triangle-free plane graph is 3-choosable if no 4-cycle in it is adjacent to a 4-or a *... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Every Toroidal Graph Is Acyclically 8-Choosable
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Acta Mathematica Sinica,English Series 2014年 第2期30卷 343-352页
作者: Jian Feng HOU Gui Zhen LIU Center for Discrete Mathematics Fuzhou University School of Mathematics Shandong University
A proper coloring of a graphG is acyclic if G contains no 2-colored cycle.A graph G is acyclically L-list colorable if for a given list assignment L={L(v):v∈V(G)},there exists a proper acyclic coloringφof G suc... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Every Graph Embedded on the Surface with Euler Characteristic Numberε=-1 is Acyclically 11-choosable
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Acta Mathematica Sinica,English Series 2023年 第11期39卷 2247-2258页
作者: Lin SUN Guang Long YU Xin LI School of Mathematics and Statistics Lingnan Normal UniversityZhanjiang 524000P.R.China
A proper vertex coloring of a graph G is acyclic if there is no bicolored cycles in G.A graph G is acyclically k-choosable if for any list assignment L={L(v):v∈V(G)}with|L(v)|≥k for each vertex v∈V(G),there exists ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
List Total Colorings of Planar Graphs without Triangles at Small Distance
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Acta Mathematica Sinica,English Series 2011年 第12期27卷 2437-2444页
作者: Bin LIU Jian Feng HOU Gui Zhen LIU Department of Mathematics Ocean University of China Qingdao 266100 P. R. China Center for Discrete Mathematics Fuzhou University Fuzhou 350002 P. R. China School of Mathematics Shandong University Ji'nan 250100 P. R. China
Suppose that G is a planar graph with maximum degree △. In this paper it is proved that G is total-(△ + 2)-choosable if (1) △ ≥ 7 and G has no adjacent triangles (i.e., no two triangles are incident with a c... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论