Mean-field approximation to a spatial host-pathogen model

被引：32
|
作者：
de Aguiar, MAM [1 ]
Rauch, EM
Bar-Yam, Y
机构：
[1] New England Complex Syst Inst, Cambridge, MA 02138 USA
[2] Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil
[3] MIT, Artificial Intelligence Lab, Cambridge, MA 02139 USA
[4] Harvard Univ, Dept Mol & Cellular Biol, Cambridge, MA 02138 USA
来源：
PHYSICAL REVIEW E | 2003年 / 67卷 / 04期
关键词：
D O I：
10.1103/PhysRevE.67.047102
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
We study the mean-field approximation to a simple spatial host-pathogen model that has been shown to display interesting evolutionary properties. We show that previous derivations of the mean-field equations for this model are actually only low-density approximations to the true mean-field limit. We derive the correct equations and the corresponding equations including pair correlations. The process of invasion by a mutant type of pathogen is also discussed.
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页数：4
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