9 citations · 9 across the 2 of their papers we have counts for
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math.CO2023
On Zagreb indices of graphs
Batmend Horoldagva, Kinkar Chandra Das
Let be the set of class of graphs of order . The first Zagreb index is equal to the sum of squares of the degrees of the vertices, and the second Zagre…
math.CO2021
On the Number of Matchings in Graphs
Kinkar Ch. Das, Ali Ghalavand, Ali Reza Ashrafi
Suppose is a undirected simple graph. A subset of edges in without common vertices is called a matching and the number of such subsets is denoted by . The a…
math.CO2017★ 9 cited
More results on the distance (signless) Laplacian eigenvalues of graphs
Jie Xue, Huiqiu Lin, Kinkar Ch. Das +1
Let be a connected graph with vertex set and edge set . Let be the diagonal matrix of vertex transmissions of and be the distance matrix of .…