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Int. J. Mol. Sci. 2008, 9(3), 229-234; doi:10.3390/ijms9030229
Article

PI Polynomial of V-Phenylenic Nanotubes and Nanotori

1, 2,*  and 3
Received: 22 October 2007; in revised form: 26 November 2007 / Accepted: 4 December 2007 / Published: 28 February 2008
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Abstract: The PI polynomial of a molecular graph is defined to be the sum X|E(G)|−N(e) + |V(G)|(|V(G)|+1)/2 − |E(G)| over all edges of G, where N(e) is the number of edges parallel to e. In this paper, the PI polynomial of the phenylenic nanotubes and nanotori are computed. Several open questions are also included.
Keywords: PI polynomial; molecular graph; phenylenic nanotube and nanotorus. PI polynomial; molecular graph; phenylenic nanotube and nanotorus.
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Alamian, V.; Bahrami, A.; Edalatzadeh, B. PI Polynomial of V-Phenylenic Nanotubes and Nanotori. Int. J. Mol. Sci. 2008, 9, 229-234.

AMA Style

Alamian V, Bahrami A, Edalatzadeh B. PI Polynomial of V-Phenylenic Nanotubes and Nanotori. International Journal of Molecular Sciences. 2008; 9(3):229-234.

Chicago/Turabian Style

Alamian, Vahid; Bahrami, Amir; Edalatzadeh, Behrooz. 2008. "PI Polynomial of V-Phenylenic Nanotubes and Nanotori." Int. J. Mol. Sci. 9, no. 3: 229-234.



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