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Hi
KITTIPONG SUBWATTANACHAI
キッチポン・サブワタナチャイ
"
Don't worry about being perfect.
Just try your best.
"
สวัสดีครับ (sa-wat-dee-krap)
I'm Kittipong Subwattanachai, a math Ph.D. candidate at Nagoya University originally from Thailand.
I love exploring number theory, Frobenius problems, and beautiful patterns in discrete mathematics.
Whether you're a fellow researcher, a student, or just curious. Welcome to my homepage!
🙋About me
🙋About me
Name: Kittipong Subwattanachai
(kit-ti-pong sub-wat-ta-na-chai)
(กิตติพงศ์ ทรัพย์วัฒนาชัย)
Email: subwattanachai.k@gmail.com
Backgroung:
I earned both my bachelor’s and master’s degrees in mathematics at Silpakorn University, where I had the privilege of studying under Professor Prapanpong Pongsriiam. He introduced me to the rich and beautiful world of number theory and truly inspired me to explore beyond the classroom.
In 2022, I moved to Japan to begin my Ph.D. at Nagoya University. I was initially supervised by Professor Kohji Matsumoto, a leading expert in analytic number theory, until his retirement in 2023. Since then, I’ve been working under the guidance of Professor Henrik Bachmann, whose support and perspective have helped deepen and broaden my research.
🎓Education
🎓Education
Ph.D. in Mathematics, Graduate School of Mathematics, Nagoya University (October 1, 2021 - September 29, 2025 expected)
M.Sc. in Mathematics, Department of Mathematics Faculty of Science, Silpakorn University (May 25, 2018 - May 25, 2021)
B.Sc. in Mathematics, Department of Mathematics Faculty of Science, Silpakorn University (August 18, 2014 - May 27, 2018)
📑Research interests
📑Research interests
My main research interest lies in number theory, especially in its combinatorial and computational aspects. I have worked on various problems concerning integer partitions, Frobenius problems, arithmetic functions, palindromes, happy numbers, happy functions, and the beautiful patterns hidden in integral sequences such as triangular numbers, the Fibonacci sequence and so on.
📙My Ph.D. thesis focuses on generalized Frobenius numbers, especially when the input is a triple of triangular numbers. I’m also interested in the behavior of denumerants, generating functions, and quasi-polynomials arising from counting problems.
I also enjoy using Python and SageMath to experiment with formulas and visualize patterns, especially when working with sequences, generating series, or digital functions.
💬Upcoming events
💬Upcoming events
August 30, 2025: Topic: Generalized Frobenius numbers of triangular-like triples
Present at the 19th Analytical Number Theory Seminar II (第19回 解析数論セミナーII),
Location: Waseda University, Waseda Campus, Building 3, 4th floor, Room 404 (3-404)
Time: From 4:00 PM
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Last update: July 31, 2025
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