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math-ph2017★ 17 cited
Maximally extended sl(2|2), q-deformed d(2,1;epsilon) and 3D kappa-Poincaré
Niklas Beisert, Reimar Hecht, Ben Hoare
We show that the maximal extension sl(2) times psl(2|2) times C3 of the sl(2|2) superalgebra can be obtained as a contraction limit of the semi-simple superalgebra d(2,1;epsilon) t…
hep-th2017★ 32 cited
Yangian Symmetry and Integrability of Planar N=4 Super-Yang-Mills Theory
Niklas Beisert, Aleksander Garus, Matteo Rosso
In this letter we establish Yangian symmetry of planar N=4 super-Yang-Mills theory. We prove that the classical equations of motion of the model close onto themselves under the act…