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hep-th2022★ 56 cited
Baikov representations, intersection theory, and canonical Feynman integrals
Jiaqi Chen, Xuhang Jiang, Chichuan Ma +2
The method of canonical differential equations is an important tool in the calculation of Feynman integrals in quantum field theories. It has been realized that the canonical bases…
hep-th2022★ 10 cited
Alphabet of one-loop Feynman integrals
Jiaqi Chen, Chichuan Ma, Li Lin Yang
In this paper, we present the universal structure of the alphabet of one-loop Feynman integrals. The letters in the alphabet are calculated using the Baikov representation with cut…