F-index and hyper-Zagreb index of four new tensor products of graphs and their complements
2019 ◽
Vol 11
(03)
◽
pp. 1950039
◽
For a molecular graph [Formula: see text], the [Formula: see text]-index or forgotten topological index is defined as the sum of cubes of degree of all vertices of the graph and the hyper-Zagreb index is equal to the sum of square of sum of degree of all adjacent vertices of the graph. In this paper, we obtain [Formula: see text]-index, hyper-Zagreb index and their coindices of [Formula: see text]-tensor products (four new tensor products based on transformations of a graph) of graphs and their complements.
Keyword(s):
Keyword(s):
2017 ◽
Vol 72
(7)
◽
pp. 647-654
◽
2019 ◽
Vol 11
(01)
◽
pp. 1950006
◽