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We consider the entropy of higher spin black holes in 2+1 dimensions usingthe conical singularity approach. By introducing a conical singularity along anon contractible cycle and carefully evaluating its contribution to the ChernSimons action, we derive a simple expression for the entropy of a generalstationary higher spin black hole. The resulting formula is shown to satisfythe first law of thermodynamics, and yields agreement with previous resultsbased on integrating the first law.

An Entropy Formula for Higher Spin Black Holes via Conical Singularities