Search Results for: 26D07

Inequalities for generalized divisor functions

József Sándor Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 27, 2021, Number 2, Pages 41–48 DOI: 10.7546/nntdm.2021.27.2.41-48 Full paper (PDF, 218 Kb) Details Authors and affiliations József Sándor Department of Mathematics, Babes-Bolyai University … Continue reading →

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On the Iyengar–Madhava Rao–Nanjundiah inequality and its hyperbolic version

József Sándor Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 24, 2018, Number 2, Pages 134–139 DOI: 10.7546/nntdm.2018.24.2.134-139 Full paper (PDF, 155 Kb) Download corrigendum: PDF, 275 Kb) Details Authors and affiliations József Sándor … Continue reading →

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Two applications of the Hadamard integral inequality

József Sándor Notes on Number Theory and Discrete Mathematics Print ISSN 1310–5132, Online ISSN 2367–8275 Volume 23, 2017, Number 4, Pages 52–55 Full paper (PDF, 133 Kb) Details Authors and affiliations József Sándor Department of Mathematics, Babeș-Bolyai University Cluj-Napoca, Romania … Continue reading →

On the inequalities for beta function

Barkat Ali Bhayo and József Sándor Notes on Number Theory and Discrete Mathematics, ISSN 1310–5132 Volume 21, 2015, Number 2, Pages 1–7 Full paper (PDF, 152 Kb) Details Authors and affiliations Barkat Ali Bhayo Department of Mathematical Information Technology, University … 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 new refinements of Kober’s and Jordan’s trigonometric inequalities

József Sándor Notes on Number Theory and Discrete Mathematics, ISSN 1310–5132 Volume 19, 2013, Number 1, Pages 73–83 Full paper (PDF, 174 Kb) Details Authors and affiliations József Sándor Babeș-Bolyai University, Department of Mathematics Str. Kogălniceanu nr. 1, 400084 Cluj-Napoca, … Continue reading →

Sharp Cusa–Huygens and related inequalities

József Sándor Notes on Number Theory and Discrete Mathematics, ISSN 1310–5132 Volume 19, 2013, Number 1, Pages 50–54 Full paper (PDF, 130 Kb) Details Authors and affiliations József Sándor Babeș-Bolyai University, Department of Mathematics Str. Kogălniceanu nr. 1, 400084 Cluj-Napoca, … Continue reading →