A New Approach to the $L(2,1)$ -Labeling of Some Products of Graphs

Abstract

The frequency assignment problem is to assign a frequency which is a nonnegative integer to each radio transmitter so that interfering transmitters are assigned frequencies whose separation is not in a set of disallowed separations. This frequency assignment problem can be modelled with vertex labelings of graphs. An L(2, 1)-labeling of a graph G is a… (More)
DOI: 10.1109/TCSII.2008.922450

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