Erratum: Thermodynamics of the Katok map (Ergodic Theory and Dynamical Systems 39:3 (764-794) DOI: 10.1017/etds.2017.35)

1. Introduction While all main results of the paper [PSZ] remain correct as stated, the proofs of the technical Lemmas 5.2 and 5.3 contain mistakes. This affects the proof of Lemma 6.4 and we provide necessary modifications to the proofs of these lemmas. 2. Lemma 5.2 In Lemma 5.2, the third and fourth inequalities should be replaced by the single inequality (Farmula Presented) While equation (12) is correct, it is not longer needed and can be ignored. The proof goes as follows. To show the second and fourth inequalities, observe that, as shown in the paper (see page 774), (Farmula Presented).