Abstract
We give a simple uniqueness criterion (and some derived criteria) for holomorphic Abel functions and show that Kneser’s real analytic Abel function of the exponential is subject to this criterion.
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Trappmann, H., Kouznetsov, D. Uniqueness of holomorphic Abel functions at a complex fixed point pair. Aequat. Math. 81, 65–76 (2011). https://doi.org/10.1007/s00010-010-0021-6
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DOI: https://doi.org/10.1007/s00010-010-0021-6