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2026-06-23 (Track 2 — perturbative graviton unitarity sector-by-sector: the Barnes–Rivers spin decomposition localises the Stelle ghost in the spin-2 sector, cured by the entire KMS form factor; the spin-0 mode by the GHP contour ( v370))

Research changelog · TFPT — Introduction and reading guide

v370 ( GRAV.SPIN2.UNITARITY.01) — Track 2. Extends v304 (the scalar [formula in source] pole algebra) to the actual tensor spin structure. \ the Barnes–Rivers projectors are complete ( [formula in source] , [formula in source] , [formula in source] sum to [formula in source] ; [formula in source] split [formula in source] ), the EH propagator is [formula in source] , and the Stelle ghost is a spin-2 state. \ the enti

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