Research Articles
(With Kota Saito, Yuta Suzuki and Yuuya Yoshida) Some remarks on the [x/n]-sequence, Res. Number Theory 11 (2025), Article number 50 [Journal][View only link][arXiv]
(With Maki Nakasuji) Symmetric multiple zeta functions, Canadian Journal of Mathematics. [Journal (Open Access)][arXiv][プレスリリース]
(With Maki Nakasuji and Yasuo Ohno) An interpolation of the generalized duality formula for the Schur multiple zeta values to complex functions, J. Math. Soc. Japan 76 (2024), no. 4, 1033-1048. [Journal][arXiv]
(With Isao Kiuchi) On sums of sums involving the von Mangoldt function, Results in Math 2024, no. 79, Paper No. 247. [Journal][View only link]
Product of factorials equals another product of factorials, Bull. Iranian Math. Soc. 50 (2024), no. 4, Paper No. 64. [Journal][View only link]
Existence of the solutions to the Brocard-Ramanujan problem for norm forms, Proc. Amer. Math. Soc. Ser. B 10 (2023), 413-421. [Journal (Open Access)]
(With Hirotaka Kobayashi and Kota Saito) Transcendence of values of the iterated exponential function at algebraic points, J. Integer Seq. 26 (2023), no. 3, Art. 23.3.3, 18pp. [Journal] [arXiv]
On the Bhargava factorials of polynomial maps, Comm. Algebra 51 (2023), no. 7, 3124 -3133. [Journal][arXiv]
(With Maki Nakasuji) The Pieri formulas for hook type Schur multiple zeta functions, J. Combin. Theory Ser. A 191 (2022), Paper No. 105642. 31pp. [Journal][arXiv]
(With Kota Saito) Topological properties and algebraic independence of sets of prime-representing constants, Mathematika 68 (2022), no. 2, 429-453. [Journal][arXiv]
The distribution of rational points for a class of quartic hypersurfaces, Res. number theory 8 (2022), Article number 17. [Journal]
On solutions to Erdös' last equation, Integers 21 (2021), Paper No. A117, 44pp. [Journal (PDF)]
On the finiteness of solutions for polynomial-factorial Diophantine equations, Forum Math. 33 (2021), no. 2, 361-374. [Journal][arXiv]
Explicit upper bound of the solution-free region for a Diophantine equation over number fields, Lithuanian Mathematical Journal, volume 60 (2020), 107–128. [Journal]
Uniform bounds of the Piltz divisor problem over number fields, Pacific J. Math. 301 (2019), no. 2, 601–616. [Corrigendum][Journal][arXiv]
Finiteness of trivial solutions of factorial products yielding a factorial over number fields, Acta Arith. 190 (2019), no. 4, 395–401. [Journal][arXiv]
A non-commutative multiple Dirichlet power product and an application, J. Number Theory 199 (2019) pp. 310-321. [Journal]
(With Shinya Koyama) Estimates of lattice points in the discriminant aspect over abelian extension fields, Forum Math. 30 (2018), no. 3, 767–773. [Journal]
Visible lattice points and the extended Lindelöf hypothesis, J. Number Theory 180 (2017), 297–309. [Journal][arXiv]