Researcher Database - IKUTA TAKUYA | Kobe Gakuin University

（Last updated : 2026-01-26 13:12:22）

IKUTA TAKUYA

Department / Course

Kobe Gakuin University The Faculty of Law Department of Law

Job Professor

Academic background
1994	Kyushu University
	Kyushu University
2008/04/01～2011/03/31	Doctoral Program (2nd Semester) Tohoku University Finished
	Tohoku University

Business career
2013/04/01 ～	Professor Kobe Gakuin University The Faculty of Law Department of Law
2015/09/01 ～ 2015/11/30	Visiting researcher Shanghai Jiao Tong University Department of Mathematics
2015/12/01 ～ 2017/08/31	Visiting Professor Tilburg University
2018/02/01 ～ 2023/03/31	director Kobe Gakuin University Academic Affairs Center
2018/02/01 ～ 2023/03/31	director Kobe Gakuin University Education Center

Themes Available for Lectures and Interviews
Association schemes
complex Hadamard matrix

Book and thesis
2022/08	Papers	Extended double covers of non-symmetric association schemes of class 2 Algebraic Combinatorics and the Monster Group edited by Alexander A Ivanov (Co-authored)
2020/11	Papers	Bordered complex Hadamard matrices and strongly regular graphs Interdisciplinary Information Sciences 27 (1),pp.41-56 (Co-authored)
2019/05	Papers	Complex Hadamard matrices attached to a 3-class nonsymmetric association schemes Graphs and Combinatorics 35,pp.1293-1304 (Co-authored)
2018	Papers	Butson-type complex Hadamard matrices and association schemes on Galois rings of characteristic 4 Special Matrices 6,pp.1-10 (Co-authored)
2017/11	Papers	Harmonic index designs in binary Hamming schemes Graphs and Combinatorics 33,pp.1405-1418 (Co-authored)
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Academic conference presentation
2025/06/19	On class 4 non-symmetric association schemes (The 41st Symposium on Algebraic Combinatorics)
2019/09/22	Bordered complex Hadamard matrices and strongly regular graphs (International conference on Algebraic Combinatorics)
2017/07/10	Butson-type complex Hadamard matrices and association schemes on Galois rings of characteristic 4 (5th Workshop on Read and Complex Hadamard Matrices and Application)
2015/09/19	A complex Hadamard matrix in an odd orthogonal scheme
2015/06/03	Complex Hadamard matrices attached to some association schemes.
Display All（17）

Lecturer and lecture
2015/10/21	Complex Hadamard matrics attached to some association schemes

Present specialized field
keyword(Algebraic Combinatorics、Hadamard matrix、Association scheme)