The purpose of the Japan Europe Number Theory Exchange Seminar is to give an opportunity for researchers in Japan and Europe to present their research projects by giving short talks (30 mins). The target audience are researchers in number theory.


If you would like to give a talk, please
register here.

Participants do not need to register. The Zoom Meeting ID can be found below.

The next meeting will be on October 26th 2021, 17:00 (JST: Tokyo), 10:00 (CET: Berlin, Paris, Madrid,...)

Hideki Murahara (University of Kitakyushu)


Benjamin Brindle (University of Cologne)



All meetings are taking place online via Zoom.

Zoom Meeting ID: 843 1899 0527
Passcode: The first 5-digit numerator of a Bernoulli number
(contact one of the organizers if this description is not clear)

JENTE in Fall 2021

  • 26th October 2021:
    Hideki Murahara (University of Kitakyushu)
    Benjamin Brindle (University of Cologne)

  • 2nd November 2021:
    TBA (TBA)

    TBA (TBA)

  • 9th November 2021:
    TBA (TBA)

    TBA (TBA)

  • 16th November 2021:
    TBA (TBA)

    TBA (TBA)

  • 23rd November 2021:
    TBA (TBA)

    TBA (TBA)

  • 30th November 2021:
    TBA (TBA)

    TBA (TBA)

  • 7th December 2021:
    TBA (TBA)

    TBA (TBA)

  • 14th December 2021:
    TBA (TBA)

    TBA (TBA)

  • 21st December 2021:
    TBA (TBA)

    TBA (TBA)

This seminar might continue in 2022 if there are enough speakers.

JENTE in Spring 2021

JENTE in Fall 2020

  • 13th October 2020:
    Masanobu Kaneko (Kyushu University)
    A new approach to Kawashima's relation for multiple zeta values (Talkslides)
    Wadim Zudilin (Radboud University Nijmegen)
    (Quasi-)magnetic modular forms (Talkslides)

  • 20th October 2020:
    Nils Matthes (University of Oxford)
    Algebraic independence results for iterated integrals of meromorphic modular forms (Talkslides)
    Nobuo Sato (National Taiwan University)
    From the 2-1 formula for multiple zeta values to iterated beta integrals (

  • 27th October 2020:
    Yuta Suzuki (Nagoya University)
    On the irrationality of sums of reciprocals of Fibonacci numbers restricted to prime-like indices (Talkslides)
    Jori Merikoski (University of Turku)
    A cubic analogue of the Friedlander-Iwaniec spin along primes (Talkslides)

  • 3rd November 2020:
    Jan-Willem van Ittersum (Utrecht University)
    A Kaneko-Zagier equation for Jacobi forms (Talkslides)
    Kunihiro Ito (NEC Corporation, before: Tohoku University)
    On a multi-variable Arakawa-Kaneko zeta function for non-positive or positive indices (Talkslides)

  • 10th November 2020:
    Markus Schwagenscheidt (ETH Zürich)
    Arithmetic properties of meromorphic modular forms (Talkslides)
    Toshiki Matsusaka (Nagoya University)
    Linking numbers and modular forms for the triangle groups (Talkslides)

  • 17th November 2020:
    Shin-ichiro Seki (Tohoku University)
    Multivariable connected sums and transport relations (Talkslides)
    Annika Burmester (Universität Hamburg)
    Combinatorial multiple Eisenstein series (Talkslides)

  • 24th November 2020:
    Alex Saad (University of Oxford)
    Multiple zeta values and iterated Eisenstein integrals (Talkslides)
    Minoru Hirose (Kyushu University)
    The motivic Galois group and alternating multiple zeta values (Talkslides)

  • 1st December 2020:
    Wataru Takeda (Nagoya University)
    Transcendence of values of the iterated exponential function at algebraic points (Talkslides)
    Sumaia Saad Eddin (JKU Linz)
    Recent results on Laurent-Stieltjes constants (Talkslides)

  • 8th December 2020:
    Federico Zerbini (Université Paris-Saclay)
    Single-valued multiple zeta values, and a class of modular forms from string theory (Talkslides)
    Koji Tasaka (Aichi Prefectural University)
    Supercongruences of q-analogues of multiple harmonic sums (Talkslides)

  • 15th December 2020:
    Berend Ringeling (Radboud University Nijmegen)
    Special zeta Mahler functions (Talkslides)
    Ryotaro Harada (National Center for Theoretical Sciences)
    On the dimension of the space generated by multizeta values in characteristic p (Talkslides, Talkslides with handwritings)

  • 22nd December 2020:
    Shingo Sugiyama (Nihon University)
    Low-lying zeros of symmetric power L-functions weighted by L-values (Talkslides)
    Jeanine Van Order (Universität Bielefeld)
    From bounds for Fourier coefficients to bounds for Mordell-Weil ranks (and beyond) (Talkslides)

  • 12th January 2021:
    Shota Inoue (Nagoya University)
    Large deviations in joint central limit theorems for L-function and their application (Talkslides)
    Junxian Li (MPIM Bonn)
    Uniform Titchmarsh divisor problems (Talkslides)

  • 19th January 2021:
    Gabriele Bogo (TU Darmstadt)
    Extended modularity and deformation of Riemann surfaces (Talkslides)
    Nao Komiyama (Nagoya University)
    On the calculation of moulds (Talkslides)

  • 26th January 2021:
    David Jarossay (Ben-Gurion University of the Negev)
    Multiple harmonic values and adjoint multiple zeta values
    Jianqiang Zhao (The Bishop’s School)
    A Proof of Kaneko-Tsumura Conjecture on Triple T-Values (Talkslides)

  • 2nd February 2021:
    Anthony Poels (Nihon University/Paris-Saclay & ENS Lyon)
    Rational approximation to real points on quadratic hypersurfaces (Talkslides)
    Makoto Kawashima (Nihon University)
    Linear forms in polylogarithms (Talkslides)