Search Results for: 11N37

On the distribution of k-free numbers and r-tuples of k-free numbers. A survey

Radoslav Tsvetkov Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 25, 2019, Number 3, Pages 207-222 DOI: 10.7546/nntdm.2019.25.3.207-222 Download full paper: PDF, 226 Kb Details Authors and affiliations Radoslav Tsvetkov Faculty of Applied Mathematics … Continue reading

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A note on Euler’s totient function

József Sándor Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 25, 2019, Number 1, Pages 32—35 DOI: 10.7546/nntdm.2019.25.1.32-35 Download full paper: PDF, 157 Kb Details Authors and affiliations József Sándor Department of Mathematics, Babes-Bolyai … Continue reading

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An inequality involving a ratio of zeta functions

József Sándor Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 24, 2018, Number 3, Pages 92—94 DOI: 10.7546/nntdm.2018.24.3.92-94 Download full paper: PDF, 133 Kb Details Authors and affiliations József Sándor Department of Mathematics, Babeș-Bolyai … Continue reading

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On the average number of divisors of the sum of digits of squares

Teerapat Srichan Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 24, 2018, Number 2, Pages 40—46 DOI: 10.7546/nntdm.2018.24.2.40-46 Download full paper: PDF, 136 Kb Details Authors and affiliations Teerapat Srichan Department of Mathematics, Faculty … Continue reading

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On an analogue of Buchstab’s identity

Debika Banerjee and Makoto Minamide Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 22, 2016, Number 1, Pages 8—17 Download full paper: PDF, 206 Kb Details Authors and affiliations Debika Banerjee Harish-Chandra Research Institute … Continue reading

Improving Riemann prime counting

Michel Planat and Patrick Solé Notes on Number Theory and Discrete Mathematics, ISSN 1310-5132 Volume 21, 2015, Number 3, Pages 38—44 Download full paper: PDF, 201 Kb Details Authors and affiliations Michel Planat Institut FEMTO-ST, CNRS, 15 B Avenue des … Continue reading

AMS Codes

This functionality is currently in “beta”. You can use the search box for specific AMS codes, which are not in the list. 00A65 05A15 05A19 05A20 05C20 05C40 05C69 11A07 11A25 11A41 11A51 11A55 11B05 11B25 11B37 11B39 11B50 11B65 … Continue reading

On certain bounds and limits for prime numbers

József Sándor Notes on Number Theory and Discrete Mathematics, ISSN 1310-5132 Volume 18, 2014, Number 1, Pages 1—5 Download full paper: PDF, 165 Kb Details Authors and affiliations József Sándor Babeș-Bolyai University, Department of Mathematics Str. Kogălniceanu nr. 1, 400084 … Continue reading

On the composition of the functions σ and φ on the set Zs+(P*)

Aleksander Grytczuk Notes on Number Theory and Discrete Mathematics, ISSN 1310-5132 Volume 19, 2013, Number 1, Pages 14—18 Download full paper: PDF, 152 Kb Details Authors and affiliations Aleksander Grytczuk Faculty of Mathematics, Computer Science and Econometrics University of Zielona … Continue reading

On a limit involving the product of prime numbers

József Sándor and Antoine Verroken Notes on Number Theory and Discrete Mathematics, ISSN 1310-5132 Volume 17, 2011, Number 2, Page 1—3 Download full paper: PDF, 142 Kb Details Authors and affiliations József Sándor Babeș-Bolyai University of Cluj, Romania Antoine Verroken … Continue reading