Journal Article10.2174/1385272819666141216232659
Cut Method: Update on Recent Developments and Equivalence of Independent Approaches
TL;DR: A survey on the recent developments of the standard cut method is given in this paper, where a number of extensions of the cut method have been proposed, such as the generalized terminal Wiener index, the Gutman index, and the edge-Wiener index.
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Abstract: The cut method is a powerful tool for the investigation of distance-based (and some other) molecular structure-descriptors. In this paper a survey on the recent developments of the method is given. The instances of the standard cut method for the Wiener index, the Szeged index, the PI index, the generalized terminal Wiener index, the Gutman index, the edge-Wiener index, and the edge-Szeged index are described, where a standard cut method is a method that applies to partial cubes. It is pointed out that the standard cut method was recently independently discovered a couple of times. Numerous proper extensions of the standard cut method are presented. The method extends to `1-graphs, graphs with a non-trivial canonical metric representation, graphs with transitive relation Θ, and partial Hamming graphs. The instances of these extended cut methods include the Wiener index, the degree distance, distance moments, and the colored Wiener index.
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