Papers

Publications

• (with R. Sakamoto) Harder's denominator problem for SL(2,Z) and its applications,
  Essential Number Theory 4-2 (2025), 251--326. [arXiv] [doi]
• Geodesic continued fraction for Shimura curves and its periodicity: the case of (2,3,7)-triangle group,
  Ramanujan J 68, 15 (2025). [arXiv] [pdf] [doi]
• On the conical zeta values and the Dedekind zeta values for totally real fields,
  Acta. Arith. 216 (2024), no. 2, 177--196. [arXiv] [pdf] [doi]
• (with K. Bannai, K. Hagihara, T. Ohshita, K. Yamada, and S. Yamamoto) The Hodge realization of the polylogarithm and the Shintani generating class for totally real fields,
  Adv. Math. 448 (2024), Paper No. 109716. [arXiv] [doi]
• Shintani-Barnes cocycles and values of the zeta functions of algebraic number fields,
  Algebra & Number Theory 17-6 (2023), 1153--1208. [arXiv] [doi]
• On periodicity of geodesic continued fractions: a precis (Algebraic Number Theory and Related Topics 2016),
  RIMS Kokyuroku Bessatsu B77 (2020), 215--223. [uri]
• The relative Hecke integral formula for an arbitrary extension of number fields,
  J. Number Theory 197 (2019), 185--217. [doi]
• On periodicity of geodesic continued fractions,
  J. Number Theory 177 (2017), 181--210. [doi]

Theses

• Some arithmetic properties of geodesic cycles on locally symmetric spaces, Thesis, the University of Tokyo, 2019.
• On periodicity of geodesic continued fractions, Master's Thesis, the University of Tokyo, 2016.