We investigate the subtree numbers of spiro and polyphenyl hexagonal chains, molecular graphs of a class of unbranched multispiro molecules and polycyclic ...

Oct 1, 2015 · We first present the generating functions for subtrees, through which explicit formulas for computing the subtree number of spiro and polyphenyl ...

We first present the generating functions for subtrees, through which explicit formulas for computing the subtree number of spiro and polyphenyl hexagonal ...

Lastly, we analyse the BC-subtree density of these two hexagonal chains. These results provide a new perspective on exploring the structural properties of spiro ...

We first present the generating functions for subtrees, through which explicit formulas for computing the subtree number of spiro and polyphenyl hexagonal ...

Subtrees of spiro and polyphenyl hexagonal chains · Yu Yang, Hongbo Liu, +1 author. H. Fu · Published in Applied Mathematics and… 1 October 2015 · Chemistry.

We first present the generating functions for subtrees, through which explicit formulas for computing the subtree number of spiro and polyphenyl hexagonal ...

The number of subtrees of a graph and its variations are among popular topological in- dices that have been vigorously studied. We investigate the subtree ...

Feb 25, 2016 · We first present the generating functions, recurrences, and explicit formulas for computing this index of spiro and polyphenyl hexagonal chains.

Apr 1, 2017 · In this paper we investigate this index on spiro and polyphenyl hexagonal chains, which are molecular graphs of a class of unbranched multispiro molecules.