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Asymptotic symmetries and thermodynamics of higher spin black holes in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>AdS</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math>
We study black holes carrying higher spin charge in ${\mathrm{AdS}}_{3}$ within the framework of $\mathrm{SL}(N,\mathbb{R})\ifmmode\times\else\texttimes\fi{}\mathrm{SL}(N,\mathbb{R})$ Chern-Simons theory. Focusing attention on the $N=4$ case, we explicitly analyze the asymptotic symmetry algebra of black hole solutions with a chemical potential for spin-4 charge. We demonstrate that the background describes a renormalization group …