Taniguchi Tetsuji

Affiliation and department：
Job title： Assistant Professor
Other affiliations (1)：

Math. Research Institute Calc for Industry

Research field (5)： Applied mathematics and statistics , Basic mathematics , Algebra , Applied mathematics and statistics , Basic mathematics

Research keywords (16)： quantum walk , integral lattice , integral graph , Graph , グラフ , Graph theory , グラフ理論 , Lattice , Algebraic combinatorics theory , Algebraic graph theory , line graph , network , 格子 , 代数的組合せ論 , spectral graph theory , 代数的グラフ理論

Research theme for competitive and other funds (7)：

2021 - 2024 整化可能な代数構造の代数的グラフ理論による特徴付け及び分類
2020 - 2024 Functional analysis approach to time evolution of graphs and its application
2018 - 2023 Study on complex spherical codes and designs
2016 - 2020 On Characterisations and Classifications of graphs by their Eigenvalues
2015 - 2019 Study of graph homomorphisms from functional analysis

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Papers (23)：

Alexander L. Gavrilyuk, Akihiro Munemasa, Yoshio Sano, Tetsuji Taniguchi. Signed analogue of line graphs and their smallest eigenvalues. Journal of Graph Theory. 2021. 98. 2. 309-325
Sho Kubota, Etsuo Segawa, Tetsuji Taniguchi. Quantum walks defined by digraphs and generalized Hermitian adjacency matrices. Quantum Information Processing. 2021. 20. 3
Sho Kubota, Etsuo Segawa, Tetsuji Taniguchi, Yusuke Yoshie. A quantum walk induced by Hoffman graphs and its periodicity. Linear Algebra and its Applications. 2019. 579. 217-236
Sho Kubota, Tetsuji Taniguchi, Kiyoto Yoshino. On graphs with the smallest eigenvalue at least $-1-\sqrt{2}$, part III. ARS MATHEMATICA CONTEMPORANEA. 2019. 17. 2. 555-579
Sho Kubota, Etsuo Segawa, Tetsuji Taniguchi, Yusuke Yoshie. Periodicity of Grover walks on generalized Bethe trees. LINEAR ALGEBRA AND ITS APPLICATIONS. 2018. 554. 371-391

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Lectures and oral presentations (32)：

Hoffman graphs and Integral lattices
(10TH SLOVENIAN CONFERENCE ON GRAPH THEORY 2023)
産業における数学の力〜数学は産業界の役に立つのか!? 〜
(横浜国立大学_基礎演習講演会 2022)
グラフの固有値とライングラフの一般化 ~ グラフに意味のある分解を与えてみよう ~
(日本数学会2022年度年会 2022)
整化可能な整格子
(代数的組合せ論シンポジウム 2021)
A Generalization of Hoffman Graph
(2020組合せ論とその周辺研究集会 2020)

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Professional career (1)：

Ph. D (Mathematics, Kyushu Univ.)

Work history (8)：

2021/03 - 現在産業数理研究所Calc 代表取締役社長
2014/09 - 現在 Hiroshima Institute of Technology Department of Electronics and Computer Engineering Associate Professor
2008/12 - 現在 Matsue College of Technology Assistant Professor
2013 - National Institute of Technology, Matsue College
2010/04 - National Institute of Technology, Matsue College

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Committee career (2)：

2023/06 - 2024/03 広島県発明協会「100 年プロジェクト」デジタルラボ事業準備委員会委員
2020/04 - 2021/03 日本数学会中国四国支部代議委員

Association Membership(s) (1)：

日本数学会

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