什么样的世界支持达尔文进化？量子基础选项
What Kind of World Supports Darwinian Evolution? Quantum Foundational Options
AI总结：
本文探讨了量子基础选项如何支持达尔文进化，提出通过退相干和随机力学实现经典与量子的连续过渡。
摘要：
达尔文进化需要（i）可继承的记录，（ii）可重复复制并带有变异的复制，以及（iii）常规的不可逆性。范畴量子力学（CQM）精确地解释了为什么“复制”和“删除”不是一般的量子操作：它们只存在于一个实现的古典数据部分（一个首选基/可观测量；一个可交换的结构）。退相干解释了如何动态地选择指针基，但它本身并不选择唯一的结果。这促使我们中立地呈现主要的本体论选项（唯一历史、退相干的多样性、主体相对的事实性，以及具有变量扩散的随机基础）。我们还注意到“代理约束”相关性，由Adlam-McQueen-Waegell提出：在严格相干、无基选择的“纯粹量子”状态下，最小代理因无法复制和线性而失效，这强化了经典资源在基于记录的过程中的作用。扩展的威金斯朋友场景则作为压力测试，因为它们将“朋友”同时视为相干的量子系统和具有稳定记录的主体。最后，具有变量扩散的随机力学基础提供了一个连续的量子与经典状态之间的桥梁，并提出了实施测量更新作为条件加上时间对称的最小变化规则的原理性方法。
英文摘要：
Darwinian evolution requires (i) heritable records, (ii) repeatable copying with variation, and (iii) routine irreversibility. Categorical quantum mechanics (CQM) makes precise why ``copy'' and ``delete'' are not generic quantum operations: they exist only for a realized \emph{classical data} sector (a preferred basis/observable; a commutative structure). Decoherence explains how a pointer basis can be selected dynamically, but it does not by itself select a unique outcome. This motivates a neutral presentation of the main ontological options (unique-history, decohered multiplicity, agent-relative facticity, and a stochastic foundation with variable diffusion). We also note the relevance of the ``agency constraint'' argued by Adlam-McQueen-Waegell: in a strictly coherent, basis-unselected ``purely quantum'' regime, minimal agency fails due to no-cloning and linearity, which sharpens the role of classical resources for record-based processes. Extended Wigner's Friend scenarios then serve as a stress test, since they treat ``friends'' simultaneously as coherent quantum systems and as agents possessing stable records. Finally, a stochastic-mechanics foundation (with variable diffusion) offers a continuous bridge between quantum and classical regimes, and suggests a principled way to implement measurement update as conditioning plus a time-symmetric minimal-change rule.
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