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The first author was supported by the Austrian Science Fund project FWF P24028-N18 and FWF P29355-N35.
The second author thanks the project INDAM-GNSAGA.
The online version of the original article can be found at https://doi.org/10.1007/s11856-020-1972-5
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D’Angeli, D., Rodaro, E. & Wächter, J.P. Erratum to “Automaton semigroups and groups: On the undecidability of problems related to freeness and finiteness”. Isr. J. Math. 245, 535–542 (2021). https://doi.org/10.1007/s11856-021-2206-1
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DOI: https://doi.org/10.1007/s11856-021-2206-1