TCC–EFT Mathematical Note (2025): Scalar–Tensor Background Derivation This technical note provides the full mathematical derivation of the scalar–tensor background used in the TCC–EFT Overview (v1.2).The document includes the metric variation, scalar-field variation, ho...

New short math note: full scalar–tensor derivation behind the TCC–EFT (metric variation + FLRW reduction). No physics, just the formal steps.
doi.org/10.5281/zeno...
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