On String Integrability: A Journey through the Two-Dimensional Hidden Symmetries in the AdS/CFT Dualities

<table>Tree-level diagram. The label <svg height="8.1374998" id="M2260" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 7.6224999 8.1374998" width="7.6224999" xmlns="http://www.w3.org/2000/svg">
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<tspan style="font-size: 12.50px; " x="0" y="0">𝑟</tspan>
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Advances in High Energy Physics

fig7

Figure 7

Figure 7: On String Integrability: A Journey through the Two-Dimensional Hidden Symmetries in the AdS/CFT Dualities 