Algorithmic complexity of proper labeling problems

被引:29
|
作者
Dehghan, Ali [1 ]
Sadeghi, Mohammad-Reza [1 ]
Ahadi, Arash [2 ]
机构
[1] Amirkabir Univ Technol, Fac Math & Comp Sci, Tehran, Iran
[2] Sharif Univ Technol, Dept Math Sci, Tehran, Iran
关键词
Proper labeling; Computational complexity; Multiplicative vertex-coloring weightings; Gap vertex-distinguishing edge colorings; Fictional coloring; Vertex-labeling by maximum; 1; 2; 3-Conjecture; Multiplicative; 3-conjecture; VERTEX; WEIGHTINGS; NUMBER; GRAPHS;
D O I
10.1016/j.tcs.2013.05.027
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
A proper labeling of a graph is an assignment of integers to some elements of a graph, which may be the vertices, the edges, or both of them, such that we obtain a proper vertex coloring via the labeling subject to some conditions. The problem of proper labeling offers many variants and received a great interest during recent years. We consider the algorithmic complexity of some variants of the proper labeling problems, we present some polynomial time algorithms and NP-completeness results for them. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码:25 / 36
页数:12
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