1 Correction to: Commun. Math. Phys. https://doi.org/10.1007/s00220-020-03700-9

The article A C*-algebraic Approach to Interacting Quantum Field Theories written by Detlev Buchholz and Klaus Fredenhagen was originally published electronically on the publisher’s internet portal on [07 March 2020] without open access. With the author(s)’ decision to opt for Open Choice the copyright of the article changed on [11 May 2021] to ©The Author(s) 2020 and the article is forthwith distributed under a Creative Commons Attribution Open Access funding enabled and organized by Projekt DEAL.