Regular Positions Held
- Professor
Graduate School of Information Sciences, Tohoku University
Apr 2024 – present
Mathematical Science Center for Co-creative Society, Tohoku University
Apr 2024 – present - Associate Professor
Graduate School of Information Sciences, Tohoku University
Aug 2012 – present
Mathematical Science Center for Co-creative Society, Tohoku University
Apr 2023 – present
Research Alliance Center for Mathematical Sciences, Tohoku University
Apr 2017 – Mar 2022, Dec 2022 – Mar 2023 - Assistant Professor
Graduate School of Information Sciences, Tohoku University
Oct 2007 – Jul 2012
Pre/Post-Doctoral & Visiting Positions Held
- Honorary Fellow
Department of Mathematics, University of Wisconsin
Mar 2010 – Mar 2011
host: Paul Terwilliger
[Unpaid visiting research position. Supported by JSPS Excellent Young Researchers Overseas Visit Program.] - Visiting Scholar
Department of Mathematics, Massachusetts Institute of Technology
Apr 2007 – Jun 2007
[Unpaid visiting research position.] - Affiliate Assistant Professor
Department of Mathematical Sciences, Worcester Polytechnic Institute
Apr 2007 – Sep 2007
host: Bill Martin
[Unpaid visiting research position. Supported by JSPS Postdoctoral Fellowship for Research Abroad.] - Visiting Researcher
Combinatorial and Computational Mathematics Center, Pohang University of Science and Technology
Aug 2006 – Sep 2006
host: Jack Koolen - JSPS Research Fellow (PD)
Apr 2004 – Mar 2007
host: Akihiro Munemasa
affiliation: Graduate School of Information Sciences, Tohoku University - JSPS Research Fellow (DC1)
Apr 2001 – Mar 2004
advisor: Eiichi Bannai
affiliation: Graduate School of Mathematics, Kyushu University
Education
- Ph.D., Mathematics
Kyushu University
Apr 2001 – Mar 2004
[See also my record at Mathematics Genealogy Project.] - M.S., Mathematics
Kyushu University
Apr 1999 – Mar 2001
- B.S., Mathematics
Kyushu University
Apr 1995 – Mar 1999
Grants
- JSPS Grant-in-Aid for Scientific Research (C)
No. 23K03064 (PI)
Apr 2023 – Mar 2026 - JSPS Grant-in-Aid for Scientific Research (C)
No. 20K03551 (PI)
Apr 2020 – Mar 2023 - JSPS Grant-in-Aid for Scientific Research (B)
No. 19H01789 (Co-I)
Apr 2019 – Mar 2023 - JSPS Grant-in-Aid for Scientific Research (C)
No. 17K05156 (PI)
Apr 2017 – Mar 2020 - JSPS Grant-in-Aid for Scientific Research (C)
No. 25400034 (PI)
Apr 2013 – Mar 2017 - JSPS Grant-in-Aid for Young Scientists (B)
No. 23740002 (PI)
Apr 2011 – Mar 2013 - JSPS Excellent Young Researchers Overseas Visit Program
Mar 2010 – Mar 2011 - JSPS Grant-in-Aid for Young Scientists (B)
No. 20740003 (PI)
Apr 2008 – Mar 2011 - JSPS Postdoctoral Fellowship for Research Abroad
Apr 2007 – Sep 2007 - Grant-in-Aid for JSPS Fellows
No. 04J02964
Apr 2004 – Mar 2007 - Grant-in-Aid for JSPS Fellows
No. 01J10366
Apr 2001 – Mar 2004
Professional Memberships
- Mathematical Society of Japan
Member
Sep 2001 – present - Institute of Combinatorics and its Applications
Member
Jan 2017 – present
Postdoctoral Researchers
- Jon Xu
JSPS International Research Fellow
Jun 2019 – May 2021 - Jae-Ho Lee
JSPS International Research Fellow
Aug 2014 – Aug 2016
[now Associate Professor at University of North Florida]
Graduate Students
- Masoumeh Koohestani
Special Research Student
Feb 2020 – Jul 2020 - Mohamed Sabri Mohamed Fuard
Ph.D.
Oct 2019 – Sep 2022
[now Senior Lecturer at Open University of Sri Lanka] - Shunsuke Ito
M.S.
Apr 2019 – Mar 2021 - Tao Wang
Ph.D.
Oct 2018 – Sep 2021 - Alexandre Louvet
Special Research Student
Oct 2018 – Feb 2019 - Alejandro Saiz
Special Research Student
Oct 2018 – Feb 2019 - Kohei Iwabuchi
M.S.
Apr 2017 – Mar 2019 - John Vincent Morales
Ph.D.
Oct 2014 – Sep 2017
[now Associate Professor at De La Salle University] - Yuta Watanabe
M.S. & Ph.D.
Apr 2013 – Mar 2018
[now Senior Assistant Professor at Aichi University of Education]
Graduate Courses
1 Spectra of graphs
2 Introduction to Leonard pairs
E delivered in English
| Semester/Year | Course |
|---|---|
| Spring 2023 | Topics in Mathematics 1, E, Advanced Applied Mathematics II 1 (intensive course; Kobe University) |
| Spring 2021 | Topics in Mathematics 1, E |
| Spring 2019 | Topics in Mathematics 1, E |
| Spring 2017 | Mathematical Structures IIb 1 |
| Spring 2015 | Mathematical Structures IIb 2 |
| Spring 2013 | Mathematical Structures IIb 2 |
Undergraduate Courses
Calculus A = Single Variable Calculus
Calculus B = Multiariable Calculus
Calculus C = Ordinary Differential Equations
| Semester/Year | Course |
|---|---|
| Fall 2023 | Calculus B |
| Spring 2023 | Calculus A ×2 |
| Fall 2022 | Calculus B ×2, Foundations of Calculus |
| Spring 2022 | Calculus A |
| Fall 2021 | Calculus B, Foundations of Calculus |
| Spring 2021 | Calculus A |
| Fall 2020 | Calculus B ×2, Foundations of Calculus |
| Spring 2020 | Calculus C |
| Fall 2019 | Calculus B |
| Spring 2019 | Calculus A, Calculus C |
| Fall 2018 | Calculus B ×2 |
| Spring 2018 | Calculus A, Calculus C |
| Fall 2017 | Calculus B |
| Fall 2016 | Calculus B ×2, Foundations of Calculus |
| Spring 2016 | Calculus A |
| Fall 2015 | Calculus B, Foundations of Calculus |
| Spring 2015 | Calculus A |
| Fall 2014 | Calculus B ×2 |
| Spring 2014 | Calculus A ×2 |
| Fall 2013 | Calculus B ×2 |
| Spring 2013 | Calculus A |
| Fall 2012 | Calculus B ×2 |
| Fall 2011 | Calculus B |
| Fall 2009 | Calculus B |
| Fall 2008 | Calculus B |
Other Teaching Activities
- Workshop on Topics in Algebraic Graph Theory
Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, Indonesia
Mar 18, 19, 25, 2015 (3+3+2.5=8.5hrs)
[delivered in English] - Delsarte 理論入門
(Introduction to Delsarte Theory)
代数的組合せ論 ｢夏の学校 2014｣
(Algebraic Combinatorics Summer School 2014)
Akiu Resort Hotel Crescent, Sendai, Japan
Jun 16, 2014 (2hrs) - $\boldsymbol{\mathbb{Z}_4}$-Kerdock codes, orthogonal spreads, and extremal Euclidean line-sets
382KB
夏の学校 ｢Designs and Codes｣
(Summer School "Designs and Codes")
Hills Sunpia Yamagata, Yamagata, Japan
Jun 23, 2009 (3.5hrs)
[delivered in English, an introductory lecture of a paper by Calderbank, Cameron, Kantor, Seidel]