Search Results for: 11A25

Objects generated by an arbitrary natural number. Part 3: Standard modal-topological aspect

Krassimir Atanassov Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 29, 2023, Number 1, Pages 171–180 DOI: 10.7546/nntdm.2023.29.1.171-180 Full paper (PDF, 262 Kb) Details Authors and affiliations Krassimir Atanassov 1 Department of Bioinformatics and … Continue reading →

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Congruences for harmonic sums

Yining Yang and Peng Yang Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 29, 2023, Number 1, Pages 137–146 DOI: 10.7546/nntdm.2023.29.1.137-146 Full paper (PDF, 237 Kb) Details Authors and affiliations Yining Yang School of … Continue reading →

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On certain equations and inequalities involving the arithmetical functions φ(n) and d(n) – II

József Sándor Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 29, 2023, Number 1, Pages 130–136 DOI: 10.7546/nntdm.2023.29.1.130-136 Full paper (PDF, 229 Kb) Details Authors and affiliations József Sándor Department of Mathematics, Babeș-Bolyai University … Continue reading →

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Counting general power residues

Samer Seraj Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 28, 2022, Number 4, Pages 730–743 DOI: 10.7546/nntdm.2022.28.4.730-743 Full paper (PDF, 197 Kb) Details Authors and affiliations Samer Seraj   Existsforall Academy Mississauga, Ontario, … Continue reading →

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On Vandiver’s arithmetical function – II

József Sándor Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 28, 2022, Number 4, Pages 710–718 DOI: 10.7546/nntdm.2022.28.4.710-718 Full paper (PDF, 201 Kb) Details Authors and affiliations József Sándor Department of Mathematics, Babeş-Bolyai University … Continue reading →

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On a generalization of a function of J. Sándor

V. Siva Rama Prasad and P. Anantha Reddy Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 28, 2022, Number 4, Pages 692–697 DOI: 10.7546/nntdm.2022.28.4.692-697 Full paper (PDF, 198 Kb) Details Authors and affiliations V. … Continue reading →

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Arithmetical functions associated with conjugate pairs of sets under regular convolutions

Pentti Haukkanen Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 28, 2022, Number 4, Pages 656–665 DOI: 10.7546/nntdm.2022.28.4.656-665 Full paper (PDF, 179 Kb) Details Authors and affiliations Pentti Haukkanen Faculty of Information Technology and … Continue reading →

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Asymptotic formula of a “hyperbolic” summation related to the Piltz divisor function

Mihoub Bouderbala and Meselem Karras Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 28, 2022, Number 4, Pages 648–655 DOI: 10.7546/nntdm.2022.28.4.648-655 Full paper (PDF, 216 Kb) Details Authors and affiliations Mihoub Bouderbala Department of … Continue reading →

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Asymptotics of sums of divisor functions over sequences with restricted factorization structure

Rafael Jakimczuk and Matilde Lalín Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 28, 2022, Number 4, Pages 617–634 DOI: 10.7546/nntdm.2022.28.4.617-634 Full paper (PDF, 235 Kb) Details Authors and affiliations Rafael Jakimczuk División Matemática, … Continue reading →

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Some multiple Dirichlet series of completely multiplicative arithmetic functions

Nabil Tahmi and Abdallah Derbal Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 28, 2022, Number 4, Pages 603–616 DOI: 10.7546/nntdm.2022.28.4.603-616 Full paper (PDF, 216 Kb) Details Authors and affiliations Nabil Tahmi Department of … Continue reading →

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