现实主义视角下的时空功能主义
Spacetime functionalism from a realist perspective
摘要：
在先前的工作中，我们已经论证了时空功能论提供了工具，用于澄清在量子引力的某些方法中与时空的出现特别相关的概念困难。我们在这篇文章中认为，量子引力中的时空泛函主义与量子力学和广义相对论中提出的其他泛函主义方法有着根本的不同：与后者的情况相反，它不与纯粹的解释性替代方案竞争，而是与量子引力水平上的物理理论本身交织在一起。时空功能论允许人们在量子引力的背景下阐明一个连贯的实在论观点，并将其与对广义相对论的直接实在论理解联系起来。
英文摘要：
In prior work, we have argued that spacetime functionalism provides tools for clarifying the conceptual difficulties specifically linked to the emergence of spacetime in certain approaches to quantum gravity. We argue in this article that spacetime functionalism in quantum gravity is radically different from other functionalist approaches that have been suggested in quantum mechanics and general relativity: in contrast to these latter cases, it does not compete with purely interpretative alternatives, but is rather intertwined with the physical theorizing itself at the level of quantum gravity. Spacetime functionalism allows one to articulate a coherent realist perspective in the context of quantum gravity, and to relate it to a straightforward realist understanding of general relativity.
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