2026-06-18 (4D QFT: the perturbative S-matrix as an Epstein–Glaser / pAQFT skeleton, v269)
Research changelog · TFPT — Introduction and reading guide
v269_spert_paqft_skeleton.py ( QFT4D.SPERT.01) builds the honest middle layer of the three-layer S-matrix (the first concrete 4D-QFT step beyond the spectral-action contract), not a nonperturbative closure. \ three distinct layers: [formula in source] (2d DHR braiding [formula in source] , statistics, v243), [formula in source] (4d Epstein–Glaser/BV S-matrix of the spectral action), [formula in source] (LSZ on the OS
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documents/changelog/sections/018-source.tex · lines 120 to 134
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