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In this paper, we consider the following nonlinear single species diffusive system \begin{eqnarray*} \dot{x}_i(t)&=& x_i(t)\left(b_i(t)-\sum_{k=1}^{l_i}a_{ik}(t)(x_i(t))^{\beta_{ik}}\right)\\ && +\,\sum_{j=1}^{n}D_{ij}(t)(x_j(t)-x_i(t)),\quad (i,j=1,2,\ldots,n), \end{eqnarray*} where bi(t),...
Persistent link: https://www.econbiz.de/10004977708
generalized extreme value distribution. The diffusion coefficient of an opinion increases linearly with the number of opinions …
Persistent link: https://www.econbiz.de/10010882958
An earlier study [24] concluded, based on computer simulations and some inferences from empirical data, that languages will change the more slowly the larger the population gets. We replicate this study using a more complete language model for simulations (the Schulze model combined with a...
Persistent link: https://www.econbiz.de/10005047488
Monte Carlo simulations of a Sznajd model show that if a near-consensus is formed out of four initially equally widespread opinions, the one which at intermediate times is second in the number of adherents usually loses out against the third-placed opinion.
Persistent link: https://www.econbiz.de/10005047499
Many explanations for the sigmoid or S-shaped curves that characterize the diffusion of innovations through time have … underlying social forces that structure diffusion through both space and time. Using historic New England gravestones and their … among consumers can generate both wave-like diffusion patterns through space and lead to the persistence of cultural …
Persistent link: https://www.econbiz.de/10009653116
that underlie the regulation processes have been determined on the time scale of evolution, by selection on the phenotypic … evolution. Both can be found for example in the life cycle of the slime mold Dictyostelium discoideum. However, phenotypic …
Persistent link: https://www.econbiz.de/10004977700
Technological artifacts such as software often comprise a large number of modules; more than twenty thousand in the case of the Java software Eclipse. While on the micro-level this system is modular, how should the building blocks be arranged on the macro-level? In the literature this question...
Persistent link: https://www.econbiz.de/10010882957
We discuss two different ways of evolution for chromosomes and genomes. Purifying selection dominates in large …
Persistent link: https://www.econbiz.de/10011010838
the evolution of the category structure of the English Wikipedia from its birth in 2004 to 2008. We treat the category …
Persistent link: https://www.econbiz.de/10011010839
to search for complexity. Our demonstration that evolution selects for complex dynamics and small-world networks helps …
Persistent link: https://www.econbiz.de/10011010847