Widely digitally stable numbers. (English) Zbl 1520.11009
Nathanson, Melvyn B. (ed.), Combinatorial and additive number theory IV. Selected papers based on the presentations at the CANT 2019 and 2020 workshops, New York, NY, USA, May 21–24, 2019 and virtual, June 1–5, 2020. Cham: Springer. Springer Proc. Math. Stat. 347, 161-193 (2021).
Reviewer: Thomas Stoll (Vandœuvre-lès Nancy)