Morioka Hisashi

モリオカヒサシ | Morioka Hisashi

Affiliation and department：
Job title： Associate Professor
Homepage URL (1)： https://sites.google.com/site/hisashimorioka/

Research field (4)： Applied mathematics and statistics , Basic analysis , Applied mathematics and statistics , Basic analysis

Research keywords (10)： quantum walk , scattering theory , discrete Laplacian , Laplacian , graph theory , spectral theory , scattering matrix , inverse problem , discrete Schrödinger operator , Schrödinger operator

Research theme for competitive and other funds (5)：

2024 - 2028 Spectral theory and semi-classical analysis for unitary operators and its application to studies of resonances
2020 - 2024 ユニタリ作用素に対するスペクトル理論の研究と散乱理論への応用
2016 - 2020 Scattering theory on manifolds and graphs via geometric perturbations and nonhomogeneous medium
2011 - 2013 結晶格子における離散シュレディンガー作用素の逆問題と連続体極限
2010 - 2011 正方格子におけるSchrödinger作用素のスペクトルと逆問題

Papers (15)：

Kenta Higuchi, Hisashi Morioka. Complex translation methods and its application to resonances for quantum walks. Reviews in Mathematical Physics. 2024. 36. 1-28
Kenta Higuchi, Hisashi Morioka, Etsuo Segawa. Resonance expansion for quantum walks and its applications to the long-time behavior. Journal of Spectral Theory. 2024. 14. 1. 207-244
Hisashi Morioka. Scattering theory for waves and eigenvalue problems based on inverse scattering. Bulletin of the Japan Society for Industrial and Applied Mathematics. 2024. 34. 1. 5-15
Yoshihiro Anahara, Norio Konno, Hisashi Morioka, Etsuo Segawa. Comfortable place for quantum walkers on finite path. Quantum Information Processing. 2022. 21. 1-15
Takashi Komatsu, Norio Konno, Hisashi Morioka, Etsuo Segawa. Asymptotic properties of generalized eigenfunctions for multi-dimensional quantum walks. Annales Henri Poincaré. 2021. 23. 1693-1724

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MISC (11)：

Kazunori Ando, Hiroshi Isozaki, Hisashi Morioka. A remark on the absence of eigenvalues in continuous spectra for discrete Schrödinger operators on periodic lattices. preprint. 2024. 1-17
Kazunori Ando, Emilia Blåsten, Pavel Exner, Hiroshi Isozaki, Evegeny Korotyaev, Matti Lassas, Jinpeng Lu, Hisashi Morioka. Inverse problems for quantum graph associated with square and hexagonal lattices. preprint. 2024. 1-21
Hisashi Morioka, Naotaka Shoji. Weyl-type lower bound for non-scattering energies for acoustic-type equations. RIMS Kokyuroku. 2021. 2195. 64-80
Kazunori Ando, Hiroshi Isozaki, Evgeny Korotyaev, Hisashi Morioka. Inverse scattering on the quantum graph for graphene. preprint. 2021. 1-23
Kazunori Ando, Hiroshi Isozaki, Evgeny Korotyaev, Hisashi Morioka. Inverse scattering on the quantum graph -Edge model for graphene. preprint. 2019. 1-52

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Books (1)：

データサイエンティスト教程基礎II 現代数学の指標
学術図書出版社 2023 ISBN:9784780611564

Lectures and oral presentations (102)：

波動方程式の逆散乱による超音波物質同定問題の基礎研究
(日本応用数理学会2024年度年会, 正会員OS「逆問題および非適切問題の数理解析とその応用」 2024)
A study on bond correction methods via inverse scattering for 1D elastic wave equations
(Finland-Japan Workshop in Industrial and Applied Mathematics 2024)
波動方程式の逆散乱による超音波物質同定問題の基礎研究
(南大阪応用数学セミナー 2024)
1次元量子ウォークの共鳴展開と長時間挙動への応用
(日本応用数理学会環瀬戸内応用数理研究部会 2023)
量子ウォークモデルを用いたポテンシャル障壁による量子トンネル効果
(日本応用数理学会環瀬戸内応用数理研究部会 2023)

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Education (3)：

2010 - 2013 University of Tsukuba Graduate school of pure and applied science Mathematics course
2008 - 2010 University of Tsukuba Master's program in Education Mathematics Education course
2004 - 2008 University of Tsukuba First Cluster of Colleges Natural Sciences

Professional career (2)：

Master in Education (University of Tsukuba)
Ph.D in Science (University of Tsukuba)

Work history (14)：

2023/04 - 現在 Ehime University Graduate School of Science and Engineering, Department of Computer Science Associate Professor
2020/04 - 現在 Ehime University Center for Data Science
2022/04 - 2023/03 Ehime University Graduate School of Science and Engineering Electrical and Electronic Engineering and Computer Science Associate Professor
2019/04 - 2022/03 Ehime University Graduate School of Science and Engineering (Electrical and Electronic Engineering and Computer Science) Senior Assistant Professor
2021/07 - 2021/12 Human Resource Association of Mathematics Part-time Lecturer

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Association Membership(s) (3)：

The Inverse Problems International Association , The Japan Society for Industrial and Applied Mathematics , The Mathematical Society of Japan

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