The amplitudes can be calculated with established methods, but their resulting expressions can have hundreds of terms.
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Cheung, Dersy and Schwartz report a transformer-based simplifier that reduces long spinor-helicity expressions and produces new compact five-point scalar and graviton amplitude expressions, alongside recovering the known five-gluon Parke–Taylor expression.
Read original source Original amplitude-simplification paper v2arxiv.org
Original report: 2024-08-08The amplitudes can be calculated with established methods, but their resulting expressions can have hundreds of terms. Rediscovering Parke–Taylor is a reproduction; the new compact representations and simplification method are the advance.
A reusable symbolic-calculation method with new compact amplitude representations; the contribution concerns expression structure rather than a new physical law.
A sourced analytical result, substantive numerical advance, or useful calculation method with its physical model, approximation, baseline, and AI contribution stated.
Background review: 2026-10-13. Selected sources:
Publication dates and editorial changes.
Neural networks produce compact scalar and graviton scattering expressions
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