Title
Cycles In Weighted Graphs
Abstract
A weighted graph is one in which each edge e is assigned a nonnegative number w(e), called the weight of e. The weight w(G) of a weighted graph G is the sum of the weights of its edges. In this paper, we prove, as conjectured in [2], that every 2-edge-connected weighted graph on n vertices contains a cycle of weight at least 2w(G)/(n - 1). Furthermore, we completely characterize the 2-edge-connected weighted graphs on n vertices that contain no cycle of weight more than 2w(G)/(n - 1). This generalizes, to weighted graphs, a classical result of Erdos and Gallai [4].
Year
DOI
Venue
1991
10.1007/BF01205072
COMBINATORICA
Field
DocType
Volume
Graph theory,Discrete mathematics,Graph,Combinatorics,Weighting,Vertex (geometry),Chordal graph,Cycle graph,Mathematics
Journal
11
Issue
ISSN
Citations 
3
0209-9683
11
PageRank 
References 
Authors
1.61
2
2
Name
Order
Citations
PageRank
J. A. Bondy1111.61
Genghua Fan241265.22