59. 复杂动力学第一定律 episode artwork

EPISODE · May 25, 2025 · 9 MIN

59. 复杂动力学第一定律

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斯科特·亚伦森的博客文章探讨了物理系统中复杂性或趣味性随时间的变化模式,与总是单调增加的熵形成对比。文章的核心是一个由物理学家肖恩·卡罗尔提出的问题:为什么物理系统的复杂性似乎先增加,达到峰值后再下降?亚伦森借鉴了柯尔莫哥洛夫复杂度及其相关的概念,例如精密性(sophistication),尝试形式化地定义这种复杂性(他称之为复杂熵(complextropy))。他提出,一个结合了计算资源限制的复杂性度量,可能会解释为什么系统在初始的有序状态和最终的无序平衡状态时复杂性较低,而在中间演化阶段复杂性较高。评论部分则进一步讨论了可能的定义、与逻辑深度和粗粒化等概念的联系,以及该现象是否存在其他解释,同时也穿插了一些关于中微子和会议花费的题外话。内容来源:https://scottaaronson.blog/?p=762

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59. 复杂动力学第一定律

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