feynml

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An XML dialect and Python toolkit for representing Feynman diagrams in a renderer-independent way, separating physical/topological content from its graphical representation — similar in spirit to HTML/CSS.

Source Documentation PyPI DOI: 10.5281/zenodo.8430844

pip install feynml

Citable via Zenodo; no accompanying paper. Diagrams written in feynml can be rendered via pyfeyn2.