A spatial weighted network model based on optimal expected traffic |
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Authors: | Jiang-Hai Qian |
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Affiliation: | School of Information Science and Technology, East China Normal University, Shanghai 200241, China |
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Abstract: | We propose a spatial weighted network model based on the optimal expected traffic. The expected traffic represents the prediction of the flow created by two vertices and is calculated by the improved gravity equation. The model maximizes the total expected traffic of the network. By changing two parameters which control the fitness and the geographical constraints, the model can vary its topology and give rise to a variety of statistical properties observed in the real-world network. Notably, our study shows that a linear and a nonlinear strength-degree correlation can emerge when considering and neglecting the “transport effect”, respectively. |
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Keywords: | 89.75.Hc 89.75.Da 89.40.Dd |
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