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Graphs with given odd sets and the least number of vertices

✍ Scribed by Louis Hakimi, S.


Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
64 KB
Volume
24
Category
Article
ISSN
0364-9024

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✦ Synopsis


This note presents a solution to the following problem posed by Chen, Schelp, and SoltΓ©s: find a simple graph with the least number of vertices for which only the degrees of the vertices that appear an odd number of times are given.


πŸ“œ SIMILAR VOLUMES


Graphs with given odd sets
✍ Chen, Guantao; Schelp, Richard H.; ?oltοΏ½s, ?ubomοΏ½r πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 123 KB

Given a graph G, its odd set is a set of all integers k such that G has odd number of vertices of degree k. We show that if two graphs G and H of the same order have the same odd sets then they can be obtained from each other by succesive application of the following two operations: β€’ add or remove

Labelled graphs with vertices of degree
✍ I. P. Goulden; D. M. Jackson πŸ“‚ Article πŸ“… 1987 πŸ› John Wiley and Sons 🌐 English βš– 463 KB πŸ‘ 1 views

The generating function for labelled graphs in which each vertex has degree at least three is obtained by the Principle of Inclusion and Exclusion. Asymptotic and explicit values for the coefficients are calculated in the connected case. The results are extended to bipartite graphs.

On the number of vertices of given degre
✍ Zbigniew Palka πŸ“‚ Article πŸ“… 1984 πŸ› John Wiley and Sons 🌐 English βš– 115 KB πŸ‘ 1 views

This note can be treated a s a supplement to a paper written by Bollobas which was devoted to the vertices of a given degree in a random graph. We determine some values of the edge probability p for which the number of vertices of a given degree of a random graph G E ?An, p) asymptotically has a nor

The maximum interval number of graphs wi
✍ Edward R. Scheinerman πŸ“‚ Article πŸ“… 1987 πŸ› John Wiley and Sons 🌐 English βš– 202 KB πŸ‘ 1 views

The interval number of a graph G, denoted i(G), is the least positive integer t such that G is the intersection graph of sets, each of which is the union of t compact real intervals. It is known that every planar graph has interval number at most 3 and that this result is best possible. We investiga

The maximum valency of regular graphs wi
✍ Guo-Hui Zhang πŸ“‚ Article πŸ“… 1992 πŸ› John Wiley and Sons 🌐 English βš– 294 KB πŸ‘ 1 views

## Abstract The odd girth of a graph __G__ is the length of a shortest odd cycle in __G__. Let __d__(__n, g__) denote the largest __k__ such that there exists a __k__‐regular graph of order __n__ and odd girth __g__. It is shown that __d____n, g__ β‰₯ 2|__n__/__g__β‰₯ if __n__ β‰₯ 2__g__. As a consequenc

On local connectivity of graphs with giv
✍ Andreas Holtkamp; Lutz Volkmann πŸ“‚ Article πŸ“… 2009 πŸ› John Wiley and Sons 🌐 English βš– 72 KB

## Abstract For a vertex __v__ of a graph __G__, we denote by __d__(__v__) the __degree__ of __v__. The __local connectivity__ ΞΊ(__u, v__) of two vertices __u__ and __v__ in a graph __G__ is the maximum number of internally disjoint __u__ –__v__ paths in __G__, and the __connectivity__ of __G__ is