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Hosoya indexThe Hosoya index, also known as the topological index or Z index of a graph is the total number of matchings in it plus 1 ("plus 1" accounts for the number of matchings with 0 edges). Its computational complexity is O(exp(E)), where E is number of edges[1]. This graph invariant was introduced by Haruo Hosoya in 1971.[2]. The Hosoya index is often used in chemoinformatics for investigations of organic compounds [3] [4] Additional recommended knowledgeIn his article "The Topological Index Z Before and After 1971" on the history of the notion and the associated inside stories, Horoya writes that he introduced the Z index to report a good correlation of the boiling points of alkane isomers and their Z indices, basing on his unpublished 1957 work carried out while he was an undergraduate student at the University of Tokyo.[3]. References
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Hosoya_index". A list of authors is available in Wikipedia. |