A NOTE ON SIGNED DEGREE SETS IN SIGNED BIPARTITE GRAPHS

被引：5
|
作者：
Pirzada, S. [1 ]
Naikoo, T. A. [1 ]
Dar, F. A. [1 ]
机构：
[1] Univ Kashmir, Dept Math, Srinagar 190006, Jammu & Kashmir, India
来源：
APPLICABLE ANALYSIS AND DISCRETE MATHEMATICS | 2008年 / 2卷 / 01期
关键词：
Signed graph; signed bipartite graph; signed degree; signed degree set;
D O I：
10.2298/AADM0801114P
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
A signed bipartite graph G(U,V) is a bipartite graph in which each edge is assigned a positive or a negative sign. The signed degree of a vertex x in G(U,V) is the number of positive edges incident with x less the number of negative edges incident with x. The set S of distinct signed degrees of the vertices of G(U,V) is called its signed degree set. In this paper, we prove that every set of integers is the signed degree set of some connected signed bipartite graph.
引用
收藏
页码：114 / 117
页数：4
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