Minimum general sum-connectivity index of unicyclic graphs (CROSBI ID 171552)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Du, Zhibin ; Zhou, Bo ; Trinajstić, Nenad
engleski
Minimum general sum-connectivity index of unicyclic graphs
The general sum-connectivity index of a graph G is defined as X alpha(G) = Sigma edges (d(u) + d(v))(alpha), where d(u) denotes the degree of vertex u in G and a is alpha real number. In this report, we determine the minimum and the second minimum values of the general sum-connectivity indices of n-vertex unicyclic graphs for non-zero alpha >= -1, and characterize the corresponding extremal graphs.
General Randic connectivity index; General product-connectivity index; General sum-connectivity index; Properties
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
Podaci o izdanju
48 (3)
2010.
697-703
objavljeno
0259-9791
10.1007/s10910-010-9702-6