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Extremal Degree-Product Indices of Graphs with Fixed Number of Pendant Vertices and Cyclomatic Number
2015
International Letters of Chemistry, Physics and Astronomy
Preserved Fulltext
The Narumi-Katayama index and first multiplicative Zagreb index of a graph are defined as the product of the degrees of the vertices of and the product of square of the degrees of the vertices of , respectively. The second multiplicative Zagreb index is defined as . In this paper, we compute the extremal , and for the graphs with given order, number of pendant vertices and cyclomatic number.
doi:10.18052/www.scipress.com/ilcpa.59.53
fatcat:gu4vmm47pndnrpwfckdjqqzh7u