József Sándor

Notes on Number Theory and Discrete Mathematics

Print ISSN 1310–5132, Online ISSN 2367–8275

Volume 22, 2016, Number 1, Pages 5—7

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## Details

### Authors and affiliations

József Sándor

*Babeș-Bolyai University, Department of Mathematics
Str. Kogălniceanu nr. 1, 400084 Cluj-Napoca, Romania
*

### Abstract

We point out that an inequality published recently in [1] is a particular case of a general result from [4]. By another method, a refinement is offered, too. Related inequalities are also proved.

### Keywords

- Arithmetic functions
- Inequalities

### AMS Classification

- 11A25

### References

- Mortici, C. (2014) An equation involving Dedekind’s arithmetical function, Notes on Number Theory and Discrete Mathematics, 20(4), 37–39.
- Sándor, J. (1988) On Dedekind’s arithmetical function, Seminarul de Teoria Structurilor,Univ. Timisoara, 51, 1–15.
- Sándor, J. (2005) On the composition of some arithmetic functions II., JIPAM, 6(3), Art. 73.
- Sándor, J. (2011) Inequalities for multiplicative arithmetic functions, Octogon Math. Mag.,19(2), 365–374. Available online: http://arxiv.org/abs/1105.0292.

## Related papers

## Cite this paper

APASándor, J. (2016). A note on Dedekind’s arithmetical function. Notes on Number Theory and Discrete Mathematics, 22(1), 5-7.

ChicagoSándor, József. “A Note on Dedekind’s Arithmetical Function.” Notes on Number Theory and Discrete Mathematics 22, no. 1 (2016): 5-7.

MLASándor, József. “A Note on Dedekind’s Arithmetical Function.” Notes on Number Theory and Discrete Mathematics 22.1 (2016):5-7. Print.