Title
Graphs where every k-subset of vertices is an identifying set.
Abstract
Let G = ( V, E) be an undirected graph without loops and multiple edges. A subset C subset of V is called identifying if for every vertex x is an element of V the intersection of C and the closed neighbourhood of x is nonempty, and these intersections are different for different vertices x. Let k be a positive integer. We will consider graphs where every k-subset is identifying. We prove that for every k > 1 the maximal order of such a graph is at most 2k - 2. Constructions attaining the maximal order are given for infinitely many values of k : The corresponding problem of k-subsets identifying any at most l vertices is considered as well.
Year
Venue
Keywords
2014
DISCRETE MATHEMATICS AND THEORETICAL COMPUTER SCIENCE
identifying code,extremal graph,strongly regular graph,Plotkin bound
Field
DocType
Volume
Graph theory,Integer,Discrete mathematics,Combinatorics,Vertex (geometry),Level structure,Cycle graph,Independent set,Multiple edges,Mathematics,Computational complexity theory
Journal
16.0
Issue
ISSN
Citations 
1.0
1462-7264
4
PageRank 
References 
Authors
0.49
16
4
Name
Order
Citations
PageRank
Sylvain Gravier148659.01
Svante Janson21009149.67
Tero Laihonen336339.39
Sanna Maarit Ranto440.49