A congruence relation for Wiener and Szeged indices

Ivan Gutman, Kexiang Xu, Muhuo Liu
2015 Filomat  
In a recent paper [H. Lin, MATCH Communications in Mathematical and in Computer Chemistry 70 (2013) 575-582] , a congruence relation for Wiener indices of a class of trees was reported. We now show that Lin's congruence is a special case of a much more general result.
doi:10.2298/fil1505081g fatcat:765bd4ti3vg75jpxg3wkvc5gni