dorsal/arxiv
View SchemaBonabeau hierarchy models revisited
| Authors | Lucas Lacasa, Bartolo Luque |
|---|---|
| Categories | |
| ArXiv ID | physics/0511105 |
| URL | https://arxiv.org/abs/physics/0511105 |
| DOI | 10.1016/j.physa.2005.10.046 |
Abstract
What basic processes generate hierarchy in a collective? The Bonabeau model provides us a simple mechanism based on randomness which develops self-organization through both winner/looser effects and relaxation process. A phase transition between egalitarian and hierarchic states has been found both analytically and numerically in previous works. In this paper we present a different approach: by means of a discrete scheme we develop a mean field approximation that not only reproduces the phase transition but also allows us to characterize the complexity of hierarchic phase. In the same philosophy, we study a new version of the Bonabeau model, developed by Stauffer et al. Several previous works described numerically the presence of a similar phase transition in this later version. We find surprising results in this model that can be interpreted properly as the non-existence of phase transition in this version of Bonabeau model, but a changing in fixed point structure.
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"abstract": "What basic processes generate hierarchy in a collective? The Bonabeau model\nprovides us a simple mechanism based on randomness which develops\nself-organization through both winner/looser effects and relaxation process. A\nphase transition between egalitarian and hierarchic states has been found both\nanalytically and numerically in previous works. In this paper we present a\ndifferent approach: by means of a discrete scheme we develop a mean field\napproximation that not only reproduces the phase transition but also allows us\nto characterize the complexity of hierarchic phase. In the same philosophy, we\nstudy a new version of the Bonabeau model, developed by Stauffer et al. Several\nprevious works described numerically the presence of a similar phase transition\nin this later version. We find surprising results in this model that can be\ninterpreted properly as the non-existence of phase transition in this version\nof Bonabeau model, but a changing in fixed point structure.",
"arxiv_id": "physics/0511105",
"authors": [
"Lucas Lacasa",
"Bartolo Luque"
],
"categories": [
"physics.soc-ph"
],
"doi": "10.1016/j.physa.2005.10.046",
"title": "Bonabeau hierarchy models revisited",
"url": "https://arxiv.org/abs/physics/0511105"
},
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