67 citations · 137 across the 5 of their papers we have counts for
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Rutger H. Boels, Daniele Marmiroli, Niels A. Obers
We prove that all open string theory disc amplitudes in a flat background obey Britto-Cachazo-Feng-Witten (BCFW) on-shell recursion relations, up to a possible reality condition on…