A1 Refereed original research article in a scientific journal
Solutions to some sign change problems on functions involving sums of divisors
Authors: Ding, Yuchen; Pan, Hao; Sun, Yu-Chen
Publisher: SPRINGER
Publishing place: NEW YORK
Publication year: 2024
Journal: Periodica Mathematica Hungarica
Journal name in source: PERIODICA MATHEMATICA HUNGARICA
Journal acronym: PERIOD MATH HUNG
Number of pages: 8
ISSN: 0031-5303
eISSN: 1588-2829
DOI: https://doi.org/10.1007/s10998-024-00620-2
Web address : https://doi.org/10.1007/s10998-024-00620-2
In this note, we solve some sign change problems on functions involving sums of divisors posed by Pongsriiam recently.
Funding information in the publication:
The first author is supported by the National Natural Science Foundation of China (Grant No. 12201544), the Natural Science Foundation of Jiangsu Province in China (Grant No. BK20210784) and the China Postdoctoral Science Foundation (Grant No. 2022M710121). He is also supported by the foundations (Grant No. JSSCBS20211023).
The second author is supported by the National Natural Science Foundation of China (Grant No. 12071208). The third author was supported by an UTUGS funding and was working in the Academy of Finland project No. 333707. The first named author is supported by National Natural Science Foundation of China (Grant No. 12201544), Natural Science Foundation of Jiangsu Province in China (Grant No. BK20210784) and China Postdoctoral Science Foundation (Grant No. 2022M710121). He is also supported by the foundations (Grant No. JSSCBS20211023). The second named author is supported by the National Natural Science Foundation of China (Grant No. 12071208). The third named author was supported by UTUGS funding and was working in the Academy of Finland project No. 333707.