AIL
发表于 2025-3-26 23:56:34
,Art’s Precarious Timelessness,del for the spacetime of general relativity as a four-dimensional space that is curved, rather than fiat. While some aspects of this model emerge in this chapter, it is more fully developed in Chapters 2 and 3, where we introduce some more mathematical apparatus and relate it to the physics of gravitation.
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