Atom-bond sum-connectivity index of unicyclic graphs and some applications
Abstract: The atom-bond sum-connectivity (ABS) index is a recently introduced variant of three earlier much studied graph-based molecular descriptors: connectivity (Randić), atom-bond connectivity, and sum-connectivity indices. In this paper, the graphs with minimum, second-minimum, maximum, and second-maximum values of the ABS index are determined over the class of connected unicyclic graphs with a fixed order. Possible chemical applications of the ABS index are also investigated on particular sets of chemical graphs.
engleski
2022
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Keywords: connectivity index, atom-bond connectivity index, sum-connectivity index, atom-bond sum-connectivity index, unicyclic graph