利用过剩信息检测元胞自动机中的涌现过程
Detecting emergent processes in cellular automata with excess information
摘要:
许多自然过程发生在特定的时空尺度上。本文提出的工具(一)灵活和可扩展的粗粒度元胞自动机和(二)确定粗粒度表达自动机的动态以及,并表示其动态不好。我们应用这些工具来研究康威的生命游戏和Hopfield网络中的一系列例子,并证明它们捕捉到了一些关于紧急过程的基本直觉。最后,我们正式的概念,一个过程是紧急的,如果它是更好地表示在一个粗糙的粒度。
英文摘要:
Many natural processes occur over characteristic spatial and temporal scales. This paper presents tools for (i) flexibly and scalably coarse-graining cellular automata and (ii) identifying which coarse-grainings express an automaton's dynamics well, and which express its dynamics badly. We apply the tools to investigate a range of examples in Conway's Game of Life and Hopfield networks and demonstrate that they capture some basic intuitions about emergent processes. Finally, we formalize the notion that a process is emergent if it is better expressed at a coarser granularity.
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