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Proyecciones (Antofagasta)

Print version ISSN 0716-0917

Proyecciones (Antofagasta) vol.33 no.4 Antofagasta Dec. 2014

http://dx.doi.org/10.4067/S0716-09172014000400008 

Topological indices of Kragujevac trees

Roberto Cruz

Juan Rada

Universidad de Antioquia

Colombia

Iván Gutman

University of Kragujevac

Serbia


ABSTRACT

We find the extremal values of the energy, the Wiener index and several vertex-degree-based topological indices over the set of Kragujevac trees with the central vertex of fixed degree.

2010 Mathematics Subject Classification : 05C90, 05C35.

Key Words : Topological indices; Kragujevac trees.


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Roberto Cruz

Instituto de Matemáticas, Universidad de Antioquia

Medellin,

Colombia

e-mail : roberto.cruz@udea.edu.co

Iván Gutman

Faculty of Science, University of Kragujevac Kragujevac, Serbia

e-mail : gutman@kg.ac.rs

 

Juan Rada

Instituto de Matemiaticas, Universidad de Antioquia

Medellin,

Colombia

e-mail : pablo.rada@udea.edu.co

Received : May 2014. Accepted : November 2014

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