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Novel PI Indices of Hexagonal Chains

โœ Scribed by Padmakar V. Khadikar; Prabhakar P. Kale; Narian V. Deshpande; Sneha Karmarkar; Vijay K. Agrawal


Book ID
110295742
Publisher
Springer
Year
2001
Tongue
English
Weight
81 KB
Volume
29
Category
Article
ISSN
0259-9791

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The PI index is a graph invariant defined as the summation of the sums of n eu (e|G) and n ev (e|G) over all the edges e = uv of a connected graph G, i.e., PI(G) = eโˆˆE(G) [n eu (e|G) + n ev (e|G)], where n eu (e|G) is the number of edges of G lying closer to u than to v and n ev (e|G) is the number

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