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Sponsored AI Networking Cookbook: Practical recipes for AI-assisted network automation and development AI Networking Cookbook: Practical recipes for AI-assisted network automation and development

Author

Pablo Vives Matasan

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Preprint Sep 2026

The classical limit of the Magnus expansion

We uncover a connection between the classical limit of the Magnus expansion in quantum field theory and the Malvenuto-Reutenauer Hopf algebra of permutations. We study a cubic scalar theory describing a massive particle coupled to massless scalar quanta, which captures the propagator structure relevant to classical sca...

A. Brandhuber, Graham R. Brown, Sebastien MacDonald et al. · 0 citations

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