基于进化逻辑回路的开放适应度景观研究
Investigation into Open-Ended Fitness Landscape through Evolutionary Logical Circuits
摘要:
累积的文化进化使人类在各种生态和人口环境中茁壮成长。人类需要解决的任务的解决方案可以映射到一个任务空间,该空间可以采取封闭或开放式的适应度景观的形式,前者在文化进化研究中比后者更广泛地建模。在这篇文章中,我们修改了Arthur和Polak(2006)的模拟,该模拟通过使用计算机模拟来模拟开放式适应度景观,该计算机模拟使用内置的早期试验中的电路来构建逻辑电路。我们用这个模拟来澄清开放式健身景观的性质,并调查是否文化积累的速度增加组规模的增加。结果表明,群体规模的增加提高了积累的速度,但比预期的有限。此外,当区分两种类型的积累,发明和改进,两者的性质不同。在改进中,轨迹遵循一个凸函数与生产力的一个代理人减少组大小的增加。在本发明中,轨迹显示出快速增加的连续模式,随后是平台期。
英文摘要:
Cumulative cultural evolution is what made humanity to thrive in various ecological and demographic environments. Solutions to the tasks that humans needed to solve could be mapped onto a task space which could take the form of either closed or open-ended fitness landscape, with the former being modeled more extensively than the latter in studies of cultural evolution. In this article, we modified a simulation by Arthur and Polak (2006) that modeled open-ended fitness landscape by using a computer simulation that builds logical circuits with circuits that were built in earlier trials. We used this simulation to clarify the nature of open-ended fitness landscape and to investigate whether the speed of accumulation of culture is increased by an increase in group size. The results indicated that group size increased the speed of accumulation but is limited than expected. Also, when two types of accumulation, invention and improvement, were distinguished the nature of the two differed. In improvement, the trajectory followed a convex function with productivity of one agent decreasing as group size increased. In invention, the trajectory showed a continuous pattern of rapid increase followed by a plateau.
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