TL;DR
This paper reviews the role of Yangian symmetry in the integrability of planar N=4 supersymmetric Yang-Mills theory, focusing on anomalous dimensions and scattering amplitudes.
Contribution
It provides a comprehensive review of Yangian symmetry applications in understanding integrability in N=4 SYM.
Findings
Yangian symmetry underpins the integrability of planar N=4 SYM.
Application of Yangian algebra clarifies anomalous dimensions.
Yangian symmetry constrains scattering amplitudes.
Abstract
Planar N=4 supersymmetric Yang-Mills theory appears to be perturbatively integrable. This work reviews integrability in terms of a Yangian algebra and compares the application to the problems of anomalous dimensions and scattering amplitudes.
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