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原文連結
論文資訊
- 類型：已發表論文
- 日期：1997
摘要
In this paper we investigate the 演化 of 族群s of sequences realising structures which form a random catalytic 網絡. Sequences are mapped into structures, between which are catalytic interactions that determine their instantaneous fitness. The catalytic 網絡 is constructed as a directed 隨機圖. 族群s evolving under point 突變s realise a comparatively catalytic 網絡. We prove that at certain parameter values, the probability of occurrence of some relevant subgraphs, on which the 族群 can stabilise, is maximized. We present results which show that 族群s reliably discover and persist on directed cycles in the catalytic graph, though these may be lost because of 隨機 effects, and we study the effect of 族群 size on this behaviour.
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