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Graphs with Equal Irregularity Indices

2014
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Acta Polytechnica Hungarica
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The irregularity of a graph can be defined by different so-called graph topological indices. In this paper, we consider the irregularities of graphs with respect to the Collatz-Sinogowitz index [8], the variance of the vertex degrees [6], the irregularity of a graph [4], and the total irregularity of a graph [1]. It is known that these irregularity measures are not always compatible. Here, we investigate the problem of determining pairs or classes of graphs for which two or more of the above

doi:10.12700/aph.25.04.2014.04.4
fatcat:w457qtrimvdxremwmke7af3tve