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Affiliation |
Faculty of Environment and Information Sciences, Division of Social Environment and Information |
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Job Title |
Professor |
SEGAWA Etsuo
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Education 【 display / non-display 】
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2006.4-2009.3
Yokohama National University Doctor Course Completed
Degree 【 display / non-display 】
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Doctor of Engineering - Yokohama National University
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Master of Engineering - Yokohama National University
Campus Career 【 display / non-display 】
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2024.4
Duty Yokohama National UniversityFaculty of Environment and Information Sciences Division of Social Environment and Information Professor
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2022.4-2024.3
Duty Yokohama National UniversityFaculty of Environment and Information Sciences Division of Social Environment and Information Associate Professor
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2018.10-2022.3
Duty Yokohama National UniversityGraduate School Education Center Associate Professor
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2024.4
Concurrently Yokohama National UniversityCollege of Engineering Science Department of Mathematics, Physics, Electrical Engineering and Computer Science Professor
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2024.4
Concurrently Yokohama National UniversityInterfaculty Graduate School of Innovative and Practical Studies Professor
External Career 【 display / non-display 】
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2018.10
Associate Professor
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2014.9-2018.9
Associate Professor
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2012.4-2014.8
Assistant Professor
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2011.4-2012.3
Researcher
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2009.4-2011.3
Researcher
Academic Society Affiliations 【 display / non-display 】
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2019.4
日本応用物理学会
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2019.4
日本応用数理学会
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2007.4
日本数学会
Research Areas 【 display / non-display 】
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Natural Science / Basic mathematics / Quantum walk; Discrete mathematical model
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Natural Science / Applied mathematics and statistics
Books 【 display / non-display 】
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量子ウォークの新展開 : 数理構造の深化と応用
今野紀雄, 井手勇介(分担執筆)（ Role： Contributor）
培風館 （ ISBN:9784563011628 ）
Language：Japanese Book type：Scholarly book
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横浜発 確率統計入門
今野紀雄、井手勇介、瀬川悦生、竹居正登、大塚一路（ Role： Joint author）
産業図書 （ ISBN:9784782805121 ）
Total pages：194 Language：Japanese Book type：Scholarly book
Papers 【 display / non-display 】
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On symmetric spectra of Hermitian adjacency matrices for non-bipartite mixed graphs
Higuchi, Y; Kubota, S; Segawa, E
DISCRETE MATHEMATICS 347 ( 5 ) 2024.5 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Joint Work
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Circuit Equation of Grover Walk
Higuchi, Y; Segawa, E
ANNALES HENRI POINCARE 2024.1 [Reviewed]
Language：The in addition, foreign language Publishing type：Research paper (scientific journal) Joint Work
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A Crossover Between Open Quantum Random Walks to Quantum Walks
Konno, N; Matsue, K; Segawa, E
JOURNAL OF STATISTICAL PHYSICS 190 ( 12 ) 2023.12 [Reviewed]
Language：The in addition, foreign language Publishing type：Research paper (scientific journal) Joint Work
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Spectral mapping theorem of an abstract non-unitary quantum walk
Asahara, K; Funakawa, D; Segawa, E; Suzuki, A; Teranishi, N
LINEAR ALGEBRA AND ITS APPLICATIONS 676 1 - 24 2023.11 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Joint Work
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Ishikawa, A; Kubota, S; Segawa, E
LINEAR & MULTILINEAR ALGEBRA 2023.10 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Joint Work
Review Papers 【 display / non-display 】
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A dynamical system induced by quantum walk
Higuchi, Y. and Segawa, E.
Journal of Physics A: Mathematical and Theoretical 52 ( 39 ) 2019
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (bulletin of university, research institution) Joint Work
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Staggered quantum walk on hexagonal lattices
Chagas, B. and Portugal, R. and Boettcher, S. and Segawa, E.
Physical Review A 98 ( 5 ) 2018
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (bulletin of university, research institution) Joint Work
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Localization of quantum walks via the CGMV method
Norio Konno and Etsuo Segawa
Quantum Information and Computation 11 ( 5{\&}6 ) 485 - 496 2011.5
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (bulletin of university, research institution) Publisher：Rinton Press Joint Work
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Return probability of one-dimensional discrete-time quantum walks with final-time dependence
Ide, Y. and Konno, N. and Machida, T. and Segawa, E.
Quantum Information and Computation 11 ( 9-10 ) 761 - 773 2011
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (bulletin of university, research institution) Joint Work
Grant-in-Aid for Scientific Research 【 display / non-display 】
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組合わせ的離散構造に対する量子ウォークの共鳴現象による逆問題的アプローチ
2019.4 - 2022.3
科学研究費補助金 Grant-in-Aid for Scientific Research(C)
Investigator(s)：瀬川 悦生
Grant type：Competitive
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量子ウォークから誘導される空間構造の解析
2016.4 - 2018.3
科学研究費補助金 Grant-in-Aid for Young Scientists(B)
Investigator(s)：瀬川 悦生
Grant type：Competitive
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量子ウォークによるネットワークの構造解析に向けた研究
2013.4 - 2016.3
科学研究費補助金 Grant-in-Aid for Young Scientists(B)
Investigator(s)：瀬川 悦生
Grant type：Competitive
Other external funds procured 【 display / non-display 】
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ドレスト光子に関わる基礎理論研究
2018.10
ドレスト光子研究起点
Presentations 【 display / non-display 】
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固定点に収束する量子ウォークで駆動する量子探索の提案
瀬川悦生 [Invited]
第１４回 東京大学数理情報学談話会
Event date： 2023.2
Language：Japanese Presentation type：Oral presentation (general)
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量子ウォークと組合わせ構造
瀬川悦生 [Invited]
直交デザインと関連する組み合わせ論
Event date： 2023.1
Language：Japanese Presentation type：Oral presentation (general)
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Circuit equation for Grover walk
Etsuo Segawa [Invited]
2022 Japan-China International Conference on matrix theory with applications
Event date： 2022.12
Language：English Presentation type：Oral presentation (general)
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Grover walkの回路方程式
瀬川悦生
応用数学合同研究集会
Event date： 2022.12
Language：Japanese Presentation type：Oral presentation (general)
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Combinatorial Graph Structures Induced by Quantum Walks
Etsuo Segawa
NOLTA2022
Event date： 2022.12
Language：English Presentation type：Oral presentation (general)
Charge of on-campus class subject 【 display / non-display 】
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2024 Advanced Quantum Algorithm Exercise Ⅰ
Graduate School of Environment and Information Sciences
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2024 Quantum Search AlgorithmⅡ
Graduate School of Environment and Information Sciences
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2024 Quantum Search AlgorithmⅠ
Graduate School of Environment and Information Sciences
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2024 Advanced Information Mathematics IV
Graduate School of Environment and Information Sciences
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2024 Literacy for Environment and Information Science Towards a Super Smart Society
Graduate School of Environment and Information Sciences
Social Contribution(Extension lecture) 【 display / non-display 】
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第5回Yokohama Workshop on Quantum Walks
Role(s)： Consultant, Other
神奈川大学横浜キャンパス 2017.9
Audience： University students, Graduate students, Teachers, Researchers, Other
Type：Seminar, workshop
世話人: 瀬川悦生(東北大学, 世話人代表), 井手勇介(神奈川大学), 町田拓也(日本大学)
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レーザー同位体分離の実用化における量子ウォークの数理
Role(s)： Consultant, Logistic support
九州大学マスフォアインダストリ研究所 九州大学マスフォアインダストリ研究所 2017.7
Audience： Graduate students, Teachers, Researchers, General public
Type：Extension Lecture
九州大学マスフォアインダストリ研究所 短期共同研究採択
世話人:鈴木 章斗（信州大学工学部・准教授, 世話人代表）
瀬川 悦生（東北大学情報科学研究科・准教授）
横山 啓一（日本原子力研究開発機構 ・研究主幹）
今野 紀雄（横浜国立大学大学院工学研究院・教授）
松江 要（九大ＩＭＩ・助教） -
International Workshop of Quantum Simulation and Quantum Walks 2015
Role(s)： Chief editor, Interviewer, Consultant, Logistic support
Interdisciplinary Information Sciences 2016.11
Audience： University students, Graduate students, Teachers, Researchers, General public, Other
Type：Seminar, workshop
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量子系の数理と物質工学への応用II～量子ウォークを架け橋に～
Role(s)： Logistic support, Other
統計数理研究所数学協働プログラム、JSPS-NRF, Japan-Korea Basic Scientific Cooperation Program “Non-commutative Stochastic Analysis; New Aspect of Quantum White Noise and Quantum Walks” 横浜国立大学 2016.10
Audience： University students, Graduate students, Teachers, Researchers, General public
Type：Seminar, workshop
世話人代表
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量子系の数理と物質工学への応用～量子ウォークを架け橋に～
Role(s)： Consultant, Logistic support, Other
統計数理研究所数学協働プログラム、東北大学重点戦略支援プログラム「数学をコアとするスマート・イノベーション融合研究共通基盤の構築と展開」 東北大学情報科学研究科棟 2014.9
Audience： University students, Graduate students, Teachers, Researchers, General public, Other
Type：Seminar, workshop
世話人代表