Note on φ, ψ and σ functions

Krassimir T. Atanassov
Notes on Number Theory and Discrete Mathematics, ISSN 1310-5132
Volume 12, 2006, Number 4, Pages 23—24
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Krassimir T. Atanassov
CLBME – Bulg. Academy of Sci.
P.O.Box 12, Sofa-1113, Bulgaria

Abstract

In the present remark we shall formulate and discuss some extremal problems, related to arithmetic functions φ, ψ and σ (see, e.g., [1]).

References

  1. Nagell T., Introduction to number theory, John Wiley & Sons, New York, 1950.

Related papers

  1. Atanassov, K. (2010). Note on φψ and σ-functions. Part 2. Notes on Number Theory and Discrete Mathematics, 16(3), 25-28.
  2. Atanassov, K. (2011). Note on φψ and σ-functions. Part 3. Notes on Number Theory and Discrete Mathematics, 17(3), 13-14.
  3. Atanassov, K. (2011). Note on φψ and σ-functions. Part 4. Notes on Number Theory and Discrete Mathematics, 17(4), 69-72.

Cite this paper

Atanassov, K. T. (2006). Note on φ, ψ and σ functions. Notes on Number Theory and Discrete Mathematics, 12(4), 23-24.

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