Wiener Index

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High Quality Content by WIKIPEDIA articles! In chemical graph theory, the Wiener index (also Wiener number) is a topological index of a molecule, defined as the sum of the numbers of edges in the shortest paths in a chemical graph between all pairs of non-hydrogen atoms in a molecule. It was introduced by H. Wiener in 1947. Wiener index may be calculated using the Floyd Warshall algorithm. Bojan Mohar and Toma Pisanski presented an efficient algorithm for computing the Wiener index of a tree. Wiener index is the oldest topological index related to molecular branching. A tentative explanation of the relevance of the Wiener index in research of QSPR and QSAR is that it correlates with the van der Waals surface area of the molecule. Also, different modifications of Wiener index were introduced (for example, Extended Wiener index).

Weitere Informationen

  • Allgemeine Informationen
    • GTIN 09786131172427
    • Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
    • Genre Chemie
    • EAN 9786131172427
    • Format Fachbuch
    • Titel Wiener Index
    • Herausgeber Betascript Publishing
    • Anzahl Seiten 68

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