Publications

Refereed Papers

  1. Poly-Bernoulli numbers with one parameter and their generating functions, Commentarii Mathematici Universitatis Sancti Pauli, to appear.
  2. (with Tomokazu Onozuka) Analytic properties of Ohno function, Mathematica Scandinavica 127 (2021), 600–616. (Article) (Nov. 2021) arXiv:2005.14379
  3. Matiyasevich type identities for hypergeometric Bernoulli polynomials and poly-Bernoulli polynomials, Moscow J. Comb. Number Theory 8 (2019), 137–142. (Article) (May 2019)
  4. Weighted sum formulas for finite multiple zeta values, J. Number Theory 192 (2018), 168-180. (Article) (Nov. 2018)
  5. Lonesum decomposable matrices, Discrete Math. 341 (2018), 341-349. (Article) (Feb. 2018) arXiv:1701.07157
  6. Finite Mordell-Tornheim multiple zeta values, Funct. Approx. Comment. Math. 54 (2016), 65-72. (Article) (Mar. 2016)
  7. (with Takao Komatsu) Explicit formulae for sums of products of Bernoulli polynomials, including poly-Bernoulli polynomials, Ramanujan J. 33 (2014), 301-313. (Article) (Feb. 2014)
  8. (with Takao Komatsu) Some congruence relations of poly-Cauchy numbers, J. Comb. Number Theory 5, no. 2 (2013), 145-150. (Article)
  9. (with Takao Komatsu) Poly-Cauchy polynomials, Moscow J. Comb. Number Theory 3, no. 2 (2013), 61-87. (Article) (Dec. 2013)
  10. Analytic continuation of the Lucas zeta and L-functions, Indag. Math. 24, no. 3 (2013), 637-646. (Article) (Jun. 2013)
  11. (with Yasuo Ohno and Shuji Yamamoto) Weighted lonesum matrices and their generating function, Integers 13 (2013), #A25. (Article)
  12. A formula for multi-poly-Bernoulli numbers of negative index, Kyushu Journal of Mathematics 67, no. 1 (2013), 29-37. (Article)
  13. Sums of products of poly-Bernoulli numbers of negative index, Journal of Integer Sequences 15 (2012) Article ID 12.1.3, 8pp. (Article)
  14. On 3-adic valuations of generalized harmonic numbers, Integers 11 (2011), #A69. (Article)   (Article)
  15. Multiple p-adic log-gamma functions and their characterization theorem, Acta Arithmetica 145 (2010), 109-122. (Article)
  16. Sums of products of hypergeometric Bernoulli numbers, Journal of Number Theory 130 (2010), 2259-2271. (Article)
  17. Sums of products of Bernoulli numbers, including poly-Bernoulli numbers, Journal of Integer Sequences 13 (2010) Article ID 10.5.2, 10pp. (Article)
  18. p-adic q-Bernoulli numbers and their denominators, International Journal of Number Theory 4 (2008), 911-925. (Article)
  19. The multiple Hurwitz zeta function and a generalization of Lerch's formula, Tokyo Journal of Mathematics 29 (2006), 61-73. (Article)

Non-Refereed Papers

  1. The analytic continuation of a certain double zeta function (in Japanese), Bulletin of Salesian Polytechnic 37 (2011), 13-16. (Article)
  2. A q-analogue of the von Staudt-Clausen theorem (in Japanese), Gakujutsu Kenkyu, School of Education, Waseda University Series of Education 55, 23-29, February, 2007. (Article)
  3. On a q-analogue of the p-adic lo-gamma functions (in Japanese), Gakujutsu Kenkyu, School of Education, Waseda University Series of Education 54, 1-11, February, 2006. (Article)
  4. The analytic continuation of multiple L-function and its special values at non-positive integers (in Japanese), The Bulletin of the Graduate School of Education of Waseda University 13-1 (2005), 351-356 (Article)

Others

  1. Dirichlet series associated with hyperharmonic numbers, Memoirs of the Osaka Institute of Technology, Series A 56, No. 2 (2011), 11-15. (Article)

Preprints

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