dorsal/arxiv
View SchemaExact Solutions for Models of Cultural Transmission and Network Rewiring
| Authors | T. S. Evans, A. D. K. Plato |
|---|---|
| Categories | |
| ArXiv ID | physics/0608052 |
| URL | https://arxiv.org/abs/physics/0608052 |
Abstract
We look at the evolution through rewiring of the degree distribution of a network so the number edges is constant. This is exactly equivalent to the evolution of probability distributions in models of cultural transmission with drift and innovation, or models of homogeneity in genes in the presence of mutation. We show that the mean field equations in the literature are incomplete and provide the full equations. We then give an exact solution for both their long time solution and for their approach to equilibrium. Numerical results show these are excellent approximations and confirm the characteristic simple inverse power law distributions with a large scale cutoff under certain conditions. The alternative is that we reach a completely homogeneous solution. We consider how such processes may arise in practice, using a recent Minority Game study as an example.
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"abstract": "We look at the evolution through rewiring of the degree distribution of a\nnetwork so the number edges is constant. This is exactly equivalent to the\nevolution of probability distributions in models of cultural transmission with\ndrift and innovation, or models of homogeneity in genes in the presence of\nmutation. We show that the mean field equations in the literature are\nincomplete and provide the full equations. We then give an exact solution for\nboth their long time solution and for their approach to equilibrium. Numerical\nresults show these are excellent approximations and confirm the characteristic\nsimple inverse power law distributions with a large scale cutoff under certain\nconditions. The alternative is that we reach a completely homogeneous solution.\nWe consider how such processes may arise in practice, using a recent Minority\nGame study as an example.",
"arxiv_id": "physics/0608052",
"authors": [
"T. S. Evans",
"A. D. K. Plato"
],
"categories": [
"physics.soc-ph"
],
"title": "Exact Solutions for Models of Cultural Transmission and Network Rewiring",
"url": "https://arxiv.org/abs/physics/0608052"
},
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