卷发
发表于 2025-3-30 10:18:44
https://doi.org/10.1007/978-981-19-3555-8T) point of view. In practice, using a well-defined and healthy toy model which (in part) has been broadly considered in the literature, we consider how higher-order theories of gravity, up to cubic operators in Riemann curvature, fit within this context. Interestingly enough, we find that already a
弓箭
发表于 2025-3-30 16:20:17
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ostrish
发表于 2025-3-30 17:12:36
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