Difference equations and integral families for Witten diagrams by Mark Alaverdian, Aidan Herderschee, Radu Roiban, Fei Teng

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Non-compact gauge groups, tensor fields and Yang-Mills-Einstein amplitudes by Marco Chiodaroli, Murat Günaydin, Henrik Johansson, Radu Roiban

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Global bases for nonplanar loop integrands, generalized unitarity, and the double copy to all loop orders by Zvi Bern, Enrico Herrmann, Radu Roiban, Michael S. Ruf, Mao Zeng

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Amplitudes, supersymmetric black hole scattering at O G 5 $$ \mathcal{O}\left({G}^5\right) $$ , and loop integration by Zvi Bern, Enrico Herrmann, Radu Roiban, Michael S. Ruf, Alexander V. Smirnov, Vladimir A. Smirnov, Mao Zeng

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