动态适应度-景观的误差分析
Error Thresholds on Dynamic Fittness-Landscapes
摘要：
本文研究了动态适应度景观的误差阈值。我们发现，存在下限和上限阈值，代表限制简单的复制保真度。下限可以表示为对静态景观上存在的误差阈值的校正项。误差阈值上限是一个新的极限，只存在于动态适应度景观。我们还表明，对于高度动态适应度景观上的长基因组，存在一个选择压力下限，以使有效选择具有独立于突变率的优越适应度的基因组，即，动态环境中的进化参数有明显的限制。
英文摘要：
In this paper we investigate error-thresholds on dynamics fitness-landscapes. We show that there exists both lower and an upper threshold, representing limits to the copying fidelity of simple replicators. The lower bound can be expressed as a correction term to the error-threshold present on a static landscape. The upper error-threshold is a new limit that only exists on dynamic fitness-landscapes. We also show that for long genomes on highly dynamic fitness-landscapes there exists a lower bound on the selection pressure needed to enable effective selection of genomes with superior fitness independent of mutation rates, i.e., there are distinct limits to the evolutionary parameters in dynamic environments.
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