Ivan GUTMAN (2003) Hyper-Wiener index and Laplacian spectrum

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Hyper-Wiener index and Laplacian spectrum

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CONTRIBUTORS:

Author:

Ivan GUTMAN (b. 1947, d. ----)

JOURNAL:

Journal of the Serbian Chemical Society, 68(12), 949 - 952.

YEAR:

2003

PUB TYPE:

Journal Article

SUBJECT(S):

chemistry - mathematical

DISCIPLINE:

Chemistry

HTTP:

http://lori.academicdirect.org/cites/30.pdf

LANGUAGE:

English

PUB ID:

103-436-100 (Last edited on 2007/07/09 05:03:17 GMT-6)

SPONSOR(S):

ABSTRACT:
The hyper-Wiener index WWW of a chemical tree T is defined as the sum of the product n1n2n3, over all pairs u, v of vertices of T, where n1 and n2 are the number of vertices of T, lying on the two sides of the path which connects u and v, and n 3 is the number of vertices lying between u and v. An expression enabling the calculation of WWW from the Laplacian eigenvalues of T has been deduced.

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