Research

Publications

1. Exact Formulas for the Number of Palindromes up to a Given Positive Integer (2019)
   (with P. Pongsriiam), International Journal of Mathematics and Computer Science 14 (2019) no.1, 27–46.
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2. Composition of Happy Functions and Digit Maps (2021)
   (with P. Pongsriiam), International Journal of Mathematics and Computer Science 16 (2021) no.1, 169–178.
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3. Arithmetic Progressions in the Values of a Quadratic Polynomial (2021)
   (with P. Pongsriiam), American Mathematical Monthly 128 (2021) no.10, 937–941.
   Journal link

Preprint

1. Generalized Frobenius Number of Three Variables (2024)
   Arxiv link, to appear.

2. Formulas for the Generalized Frobenius Number of Triangular Numbers (2025)
   Arxiv link, accepted

Proceedings

1. Generalized Frobenius Number of Three Variables (2024)
   Proceedings of the Mathematics Conference for Young Researchers, pp. 555–564.
   Hokkaido University Technical Report Series in Mathematics 189 (2024).
   Report link

Thesis

1. Consecutive happy numbers and generalizations (Master Thesis, 2021)
   See link

2. The Generalized Frobenius Number for Triangular-Like Triples (Ph.D Thesis, 2025)
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Last update: October 10, 2025