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- W2901736051 abstract "Graph energy is the energy of the matrix representation of the graph, where the energy of a matrix is the sum of singular values of the matrix. Depending on the definition of a matrix, one can contemplate graph energy, Randić energy, Laplacian energy, distance energy, and many others. Although theoretical properties of various graph energies have been investigated in the past in the areas of mathematics, chemistry, physics, or graph theory, these explorations have been limited to relatively small graphs representing chemical compounds or theoretical graph classes with strictly defined properties. In this paper we investigate the usefulness of the concept of graph energy in the context of large, complex networks. We show that when graph energies are applied to local egocentric networks, the values of these energies correlate strongly with vertex centrality measures. In particular, for some generative network models graph energies tend to correlate strongly with the betweenness and the eigencentrality of vertices. As the exact computation of these centrality measures is expensive and requires global processing of a network, our research opens the possibility of devising efficient algorithms for the estimation of these centrality measures based only on local information." @default.
- W2901736051 created "2018-11-29" @default.
- W2901736051 creator A5050914099 @default.
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- W2901736051 date "2018-11-30" @default.
- W2901736051 modified "2023-10-01" @default.
- W2901736051 title "Graph Energies of Egocentric Networks and Their Correlation with Vertex Centrality Measures" @default.
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- W2901736051 doi "https://doi.org/10.3390/e20120916" @default.
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