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Cited by 164

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Solution of the two-star model of a network

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Park, Juyong, Newman, M. E. J.·2004·Physical Review E

Abstract

The p-star model or exponential random graph is among the oldest and best known of network models. Here we give an analytic solution for the particular case of the two-star model, which is one of the most fundamental of exponential random graphs. We derive expressions for a number of quantities of interest in the model and show that the degenerate region of the parameter space observed in computer simulations is a spontaneously symmetry-broken phase separated from the normal phase of the model by a conventional continuous phase transition.

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Metadata

Authors
Park, J., & Newman, M. E. J.
Venue
Physical Review E
Published
2004-12-29
Volume
70
Issue
6
Pages
066146-066146
ISSN
  • 1539-3755 (ISSN-L)
  • 1550-2376
OpenAlex
W2019258379
Cited by
164
References
1
FWCI
2.05
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Solution of the two-star model of a network. https://app.cochat.ai/papers/10.1103/physreve.70.066146
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Park, J., & Newman, M. E. J. (2004). Solution of the two-star model of a network. Physical Review E. https://doi.org/10.1103/physreve.70.066146

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.