Results 11 to 20 of about 472,348 (280)
Atom-bond sum-connectivity index
Journal of Mathematical Chemistry, 2022 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Akbar Ali +3 more
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Atom–bond connectivity index of trees
Discrete Applied Mathematics, 2009 The recently introduced atom-bond connectivity (ABC) index has been applied up to now to study the stability of alkanes and the strain energy of cycloalkanes. Here, mathematical properties of the ABC index of trees are studied. Chemical trees with the extremal ABC values are found. In addition, it has been proven that among all trees, the star tree, Sn,
Furtula, Boris +2 more
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Augmented eccentric connectivity index [PDF]
Miskolc mathematical notes, 2011 We review basic mathematical properties of the augmented eccentric connectivity index. Explicit formulas are presented for several classes of graphs, in particular for some open and closed unbranched polymers and nanostructures. Asymptotic behavior is explored and compression ratios are computed for those polymers.
Doslic, Tomislav, Saheli, Mahboubeh
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Synergizing PMU Data From Multiple Locations in Indian Power Grid-Case Study
IEEE Access, 2021 Synchrophasor technology improves power grid visibility by installing phasor measurement units (PMUs) over a wide area in the power system. Big data received from PMUs contains important information about grid behavior.
Makarand Sudhakar Ballal +1 more
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Wiener Index and Remoteness in Triangulations and Quadrangulations
, 2021 Let $G$ be a a connected graph. The Wiener index of a connected graph is the sum of the distances between all unordered pairs of vertices. We provide asymptotic formulae for the maximum Wiener index of simple triangulations and quadrangulations with ...
Czabarka, Éva +3 more
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The Connectivity and the Harary Index of a Graph [PDF]
, 2012 The Harary index of a graph is defined as the sum of reciprocals of distances between all pairs of vertices of the graph. In this paper we provide an upper bound of the Harary index in terms of the vertex or edge connectivity of a graph.
Das +17 more
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Energy Science & Engineering, 2020 Connectivity is an effective indicator to describe the flow paths and mechanical behavior of reservoir fractured rock masses. The connectivity evaluation of fracture networks plays an important role in the design, assessment, and development of ...
Fan Huang +5 more
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Connectivity Index in Vague Graphs with Application in Construction
Discrete Dynamics in Nature and Society, 2022 The vague graph (VG), which has recently gained a place in the family of fuzzy graph (FG), has shown good capabilities in the face of problems that cannot be expressed by fuzzy graphs and interval-valued fuzzy graphs. Connectivity index (CI) in graphs is
Huiqin Jiang, Yongsheng Rao
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Bacterial protein interaction networks: connectivity is ruled by gene conservation, essentiality and function [PDF]
, 2020 Protein-protein interaction (PPI) networks are the backbone of all processes in living cells. In this work we relate conservation, essentiality and functional repertoire of a gene to the connectivity $k$ of the corresponding protein in the PPI networks ...
Cimini, Giulio +2 more
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Analysis of Injection and Production Data for Open and Large Reservoirs
Energies, 2011 Numerous studies have concluded that connectivity is one of the most important factors controlling the success of improved oil recovery processes. Interwell connectivity evaluation can help identify flow barriers and conduits and provide tools for ...
Danial Kaviani +2 more
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