Time-Delayed Theory of the Neolithic Transition in Europe
作者： Joaquim Fort , Vicenç Méndez
DOI: 10.1103/PHYSREVLETT.82.867
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摘要: The classical wave-of-advance model of the neolithic transition (i.e., shift from hunter-gatherer toagricultural economies) is based on Fisher’s reaction-diffusion equation. Here we present an extensionof Einstein’s approach to Fickian diffusion, incorporating reaction terms. On this basis show thatsecond-order terms in equation, which have been neglected up now, are notin fact negligible but can lead important corrections. resulting time-delayed agrees quitewell with observations. [S0031-9007(98)08286-6]
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