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Evolutionary Innovation Viewed as Novel Physical Phenomena and Hierarchical Systems Building
arXiv - CS - Neural and Evolutionary Computing Pub Date : 2021-07-20 , DOI: arxiv-2107.09669
Tim Taylor

In previous work I proposed a framework for thinking about open-ended evolution. The framework characterised the basic processes required for Darwinian evolution as: (1) the generation of a phenotype from a genetic description; (2) the evaluation of that phenotype; and (3) the reproduction with variation of successful genotype-phenotypes. My treatment emphasized the potential influence of the biotic and abiotic environment, and of the laws of physics/chemistry, on each of these processes. I demonstrated the conditions under which these processes can allow for ongoing exploration of a space of possible phenotypes (which I labelled exploratory open-endedness). However, these processes by themselves cannot expand the space of possible phenotypes and therefore cannot account for the more interesting and unexpected kinds of evolutionary innovation (such as those I labelled expansive and transformational open-endedness). In the previous work I looked at ways in which expansive and transformational innovations could arise. I proposed transdomain bridges and non-additive compositional systems as two mechanisms by which these kinds of innovations could arise. In the current paper I wish to generalise and expand upon these two concepts. I do this by adopting the Parameter Space-Organisation Space-Action Space (POA) perspective, as suggested at in my previous work, and proposing that all evolutionary innovations can be viewed as either capturing some novel physical phenomena that had previously been unused, or as the creation of new persistent systems within the environment.

中文翻译:

进化创新被视为新的物理现象和分层系统构建

在之前的工作中,我提出了一个思考开放式进化的框架。该框架将达尔文进化所需的基本过程描述为:(1)从遗传描述中产生表型;(2) 对该表型的评价;(3)成功基因型-表型变异的繁殖。我的治疗强调了生物和非生物环境以及物理/化学定律对每个过程的潜在影响。我展示了这些过程可以允许持续探索可能的表型空间(我将其标记为探索性开放性)的条件。然而,这些过程本身无法扩展可能的表型空间,因此无法解释更有趣和意想不到的进化创新(例如我标记为扩张性和变革性开放性的那些)。在之前的工作中,我研究了可能出现广泛性和变革性创新的方式。我提出跨域桥梁和非加性组合系统作为可能出现此类创新的两种机制。在当前的论文中,我希望概括和扩展这两个概念。我通过采用参数空间-组织空间-行动空间 (POA) 的观点来做到这一点,正如我在之前的工作中所建议的那样,并提出所有进化创新都可以被视为捕捉一些以前未被使用的新物理现象,
更新日期:2021-07-22
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