Krassimir T. Atanassov
Notes on Number Theory and Discrete Mathematics, ISSN 1310-5132
Volume 16, 2010, Number 3, Pages 25—28
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Authors and affiliations
Krassimir T. Atanassov
Department of Bioinformatics and Mathematical Modelling
IBFBME – Bulg. Academy of Sci.
Acad. G. Bonchev Str. Bl. 105, Sofia-1113, Bulgaria
Abstract
An interesting property of arithmetic functions φ, ψ and σ is being discussed and illustrated.
Keywords
- Arithmetic function φ
- Arithmetic function ψ
- Arithmetic function σ
AMS Classification
- 11A25
References
- Atanassov K., Some assertions on φ and σ functions, Bulletin of Number Theory
and Related Topics, Vol. XI (1987), No. 1, 50-63. - Atanassov, K. Note on φ, ψ and σ functions. Notes on Number Theory and Discrete Mathematics, Vol. 12, 2006, No. 4, 25-28.
- Fomenko, A., Statistical Chronology, In Series “Mathematics and Cybernetics”, No. 7, Znanie, Moskow, 1990 (in Russian).
- Nagell T., Introduction to number theory, John Wiley & Sons, New York, 1950.
- Nosovskii, G., A. Fomenko, New Chronology and Conception of the Ancient History of Russia, England and Rome, Moskow Goverment University, Moskow, Vol. 1 and 2, 1996 (in Russian).
- Tabov, J., The Fall of Old Bulgary, Morant, Sofia, 1997 (in Bulgarian).
Related papers
- Atanassov, K. (2011). Note on φ, ψ and σ-functions. Part 3. Notes on Number Theory and Discrete Mathematics, 17(3), 13-14.
- Atanassov, K. (2011). Note on φ, ψ and σ-functions. Part 4. Notes on Number Theory and Discrete Mathematics, 17(4), 69-72.
Cite this paper
Atanassov, K.T. (2010). Note on φ, ψ and σ-functions. Part 2. Notes on Number Theory and Discrete Mathematics, 16(3), 25-28.