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see Francis Brown's arXiV papers on Feynman amplitudes and motivic periods: https://arxiv.org/find/math-ph,math/1/au:+Brown_F/0/1/0/all/0/1 https://arxiv.org/fi
by pajop 10y ago
see Francis Brown's arXiV papers on Feynman amplitudes and motivic periods: https://arxiv.org/find/math-ph,math/1/au:+Brown_F/0/1/0/all/0/1 https://arxiv.org/find/math-ph,math/1/au:+Brown_F/0/1/0/all/...