Damir VUKICEVIC and Ante GRAOVAC (2004) Valence connectivity versus Randic, Zagreb and modified Zagreb index: A linear algorithm to check discriminative properties of indices in acyclic molecular graphs

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Valence connectivity versus Randic, Zagreb and modified Zagreb index: A linear algorithm to check discriminative properties of indices in acyclic molecular graphs

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CONTRIBUTORS:

	Author:	Damir VUKICEVIC
	Author:	Ante GRAOVAC

JOURNAL:

Croatica chemica acta: Arhiv za kemiju, 77(3), 501 - 508.

YEAR:

2004

PUB TYPE:

Journal Article

SUBJECT(S):

chemistry - physical

DISCIPLINE:

Chemistry

HTTP:

http://lori.academicdirect.org/cites/33.pdf

LANGUAGE:

English

PUB ID:

103-436-102 (Last edited on 2007/07/09 05:26:28 GMT-6)

SPONSOR(S):

ABSTRACT:
Valence connectivity in molecular graphs is described by 10- uples ľij where ľij denotes the number of edges connecting vertices of valences i and j. A shorter description is provided by 4-tuples containing the number of vertices and values of Randić, Zagreb and modified Zagreb indices. Surprisingly, these two descriptions are in one-to-one correspondence for all acyclic molecules of practical interest, i.e., for all those having no more than 100 atoms. This result was achieved by developing an efficient algorithm that is linear in the number of 10-tuples.

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