IJPAM: Volume 95, No. 3 (2014)
Lahore College For Women University
Abstract. For a connected graph , let denotes the distance between two distinct vertices , in and diam be the diameter of . A radio labeling (or multi-level distance labeling) of a graph is a function that assigns positive integers to the vertices of satisfying . The largest integer in the range of the labeling is its span. The radio number is the minimum possible span taken over all radio labelings of , denoted by rn.
In this paper we show that
Received: January 1, 2014
AMS Subject Classification: 05C12, 05C15, 05C78
Key Words and Phrases: graph labeling, radio number, corona product of graphs
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DOI: 10.12732/ijpam.v95i3.2 How to cite this paper?
Source: International Journal of Pure and Applied Mathematics
ISSN printed version: 1311-8080
ISSN on-line version: 1314-3395
Pages: 339 -
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