Estrada, Ernesto
(2010)
*Randic index, irregularity and complex biomolecular networks.*
Acta Chimica Slovenica, 57.
pp. 597-603.
ISSN 1318-0207

## Abstract

A new formulation of Randic index is carried out as a minimization of a quadratic form which involves the Laplacian matrix of a graph. Using this formulation it is easy to realize that Randic index is useful in defining a new index of irregularity, which is then formulated here. A new context for the study of irregularity of graphs is advanced as a necessity for studying complex (biological) networks. We analyze both Randic and irregularity indices for random networks with Poisson and power-law degree distributions.

Item type: | Article |
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ID code: | 28250 |

Keywords: | Mathematics, Physics, Chemistry(all) |

Subjects: | Science > Mathematics Science > Physics |

Department: | Faculty of Science > Mathematics and Statistics |

Depositing user: | Mrs Carolynne Westwood |

Date Deposited: | 14 Oct 2010 15:12 |

Last modified: | 21 May 2015 12:37 |

URI: | http://strathprints.strath.ac.uk/id/eprint/28250 |

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