Author

Ilmo Sung

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Preprint Sep 2026

A six-gluon obstruction to dimension-independent local color-kinematics duality at one loop

We establish an obstruction to dimension-independent local color-kinematics duality for the one-loop six-gluon amplitude in pure Yang-Mills theory. The maximal and fivefold cuts admit a polynomial solution, but no allowed contact correction reproduces a required fourfold cut. We consider parity-even Lorentz-polynomial...

Ilmo Sung · 0 citations

Preprint Oct 2026

All-multiplicity completion of maximally supersymmetric gauge amplitudes

We show that the known six-point constraints on four-point amplitudes are sufficient for completion at arbitrary multiplicity in planar, four-dimensional maximally supersymmetric gauge theory. We construct massless tree amplitudes as formal series in the derivative expansion, with the standard supersymmetric Yang-Mills...

Ilmo Sung · 0 citations

Preprint Sep 2026

Six-point consistency and uniqueness of the Veneziano amplitude

We establish uniqueness of the Veneziano four-point amplitude in a meromorphic class by combining six-point consistency with a known low-order supersymmetry relation. We consider planar tree-level scattering in four dimensions with a massless maximally supersymmetric vector multiplet and an additional scalar parity con...

Ilmo Sung · 3 citations