Planar binary trees in scattering amplitudes

Carlos R. Mafra
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引用次数: 12

Abstract

These notes are a written version of my talk given at the CARMA workshop in June 2017, with some additional material. I presented a few concepts that have recently been used in the computation of tree-level scattering amplitudes (mostly using pure spinor methods but not restricted to it) in a context that could be of interest to the combinatorics community. In particular, I focused on the appearance of {\it planar binary trees} in scattering amplitudes and presented some curious identities obeyed by related objects, some of which are known to be true only via explicit examples.
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平面二叉树的散射振幅
这些笔记是我在2017年6月在CARMA研讨会上的演讲的书面版本,还有一些额外的材料。我提出了一些最近用于计算树级散射振幅的概念(主要使用纯旋量方法,但不限于此),这些概念可能会引起组合学社区的兴趣。特别地,我关注了散射振幅中{\it平面二叉树}的出现,并提出了一些相关对象遵循的奇怪的恒等式,其中一些只有通过明确的例子才能知道是真的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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