An extension of Dedekind’s arithmetic function – II

Krassimir Atanassov and József Sándor Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 32, 2026, Number 3 , Pages 610–621 DOI: 10.7546/nntdm.2026.32.3.610-621 Full paper (PDF, 262 Kb) Krassimir Atanassov Department of Bioinformatics and Mathematical Modelling, Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences Acad. G. Bonchev Str., Block 105, 1113 Sofia, Bulgaria József Sándor Department of Mathematics, Babeș-Bolyai University Str. Kogalniceanu 1, 400084 Cluj-Napoca, Romania We obtain refinements and new results related to an extension of Dedekind’s arithmetic function, introduced in [1]. Ⓒ 2026 by the Authors. This is an Open Access paper distributed under the terms and conditions of the Creative Commons Attribution 4.0 International License (CC BY 4.0) . Atanassov, K., & Sándor, J. (2026). An extension of Dedekind’s arithmetic function – II. Notes on Number Theory and Discrete Mathematics , 32(3), 610-621, DOI: 10.7546/nntdm.2026.32.3.610-621.