Zobrazeno 1 - 10 of 29 pro vyhledávání: '"Peter E. John"'
2
Omega polynomial and its use in nanostructure description
Autor: Margareta Stela Florescu, Mircea V. Diudea, Simona Cigher, Aniela E. Vizitiu, Peter E. John
Publikováno v: Journal of Mathematical Chemistry. 45:316-329
A new counting polynomial, called "Omega" �( G, x), was recently proposed by Diudea. It is defined on the ground of quasi-orthogonal cut "qoc" edge strips. Three topological descriptors: (1) CI (Cluj-Ilmenau), eventually equal to the well-known PI
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::14016e38e76c4b0147f88d81c598f357
https://doi.org/10.1007/s10910-008-9408-1
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3
Use of PI Index in Computer-Aided Designing of Bioactive Compounds
Autor: Jyoti Singh, Purnima Thakur, Sneha Karmarkar, Anjalee Shrivastva, Padmakar V. Khadikar, Meenakshi Lakhwani, Mircea V. Diudea, Shalini Singh, Peter E. John
Publikováno v: Current Bioactive Compounds. 2:19-56
In this review we critically examine PI (Padmakar-Iva n) index of organic compounds acting as drugs and discussed its applications in Computer-Aide d designing of bioactive compounds with special reference to designing of carbonic anhydrase inhibitor
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::32139caae3a6036d51d9d8e722f858ae
https://doi.org/10.2174/1573407210602010019
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7
An Algorithm for Counting Spanning Trees in Labeled Molecular Graphs Homeomorphic to Cata-Condensed Systems
Autor: Peter E. John, R. B. Mallion, Ivan Gutman
Publikováno v: Journal of Chemical Information and Computer Sciences. 38:108-112
The algorithmic method of Gutman and Mallion (1993), for calculating the number of spanning trees in the (labeled) molecular graphs of cata-condensed systems containing rings of only one size, was subsequently generalized by John and Mallion (1996) t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5c36f21e9b7fff3791fc1322abde166d
https://doi.org/10.1021/ci970425d
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8
Contributions to the theory of benzenoid isomers. Part 2: Building-up principles
Autor: Peter E. John, Sven J. Cyvin, Bjørg N. Cyvin, J. Brunvoll, Ivan Gutman
Publikováno v: Journal of Molecular Structure: THEOCHEM. 334:243-247
The fundamental building-up principle states that three types of addition of hexagons are sufficient for generating all benzenoids. The principle is applied to benzenoid CnHs isomers with the result of another principle, which implies the three addit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4bd2f99c7281d818ef817ae9a96d4b22
https://doi.org/10.1016/0166-1280(94)04018-n
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9
An algorithmic approach to the number of spanning trees in Buckminsterfullerene
Autor: Peter E. John, R. B. Malllon
Publikováno v: Journal of Mathematical Chemistry. 15:261-271
The algorithm of John and Sachs (1990), based on the theorem of Gutman, Mallion and Essam (1983), is applied to give an independent count of the number of spanning trees in the recently synthesised sixty-carbon-atom cluster Buckminsterfullerene (icos
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::39552871db473670dbd96eab23afb0da
https://doi.org/10.1007/bf01277564
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