HIROKAWA MASAO

Affiliation and department：
Job title：教授

Research field (4)： Applied mathematics and statistics , Information security , Computational science , Mathematical physics and basic theory

Research theme for competitive and other funds (30)：

2022 - 2026 ポストムーア時代を見据えた超伝導コンピューティング技術の創成と展開
2020 - 2023 回路量子電磁力学における人工原子・光子間相互作用の深強結合領域に対する数理的研究
2014 - 2019 Joint Research into Mathematical Science for Qunatum Information Devices
2014 - 2018 Operator and Spectral Analyses for Differential Operators with Matrix-Coefficient
2014 - 2017 Stochastic analysis on infinite dimensional spaces and its related differential operators

2011 - 2014 Non-perturbative spectral analysis of quantum system by stochastic method

2011 - 2013 Applications of Renormalization Group Methods in Mathematical Sciences

2011 - 2013 Spectral Analysis on the Schroedinger Operators with Matrix Coefficients and Its Applications

2009 - 2012 Spectral asymptotic analysis for Schrodinger operators

2008 - 2010 Mathematical Study of Renormalization Groups and applications to Dynamical System

2008 - 2010 Operator-Analytical Study of Singularities Appearing in Quantum Theory

2008 - 2010 Non-perturbative analysis of quantum interaction systems

2007 - 2009 グロタンディークデッサンと悲合同的タイヒミュラー被覆の数論

2006 - 2008 Asymptotic Analysis in Spectral and Scattering Theory

2006 - 2007 Operator-Theoretical Research of Two-Body System in Non-Relativistic Quantum Field Theory

2005 - 2007 量子場と結合したシュレディンガー作用素のスペクトルと有効質量の研究

2004 - 2007 Functional Analysis of Quantum Systems with Infinite Degree ofFir Freedom

2004 - 2005 Research on Operator Analysis for Nonrelativistic Quantum Dynamics in High Energy Region

2004 - 2005 モジュライ空間の算術幾何に対する種種のグラフ複合体の関与の研究

2003 - 2005 Scattering of Dirac particles by mabnetic fields and spectral theory

2002 - 2005 Galois groups and fundamental groups in anabelian geometry

2003 - 2004 Nonperturbative analysis of charged-particle-system interacting with a quantum field

2001 - 2003 OPERATOR-ANALYTICAL STUDY OF SINGULARITIES OF HAMILTONIANS IN QUANTUM PHYSICS

2001 - 2003 The application of the theory of the pseudo-diffrential operators to the Feynman path integral

2001 - 2002 Scattering by magnetic fields and Aharonov-Bohm effect

1999 - 2000 一般化されたスピン・ボゾン模型の無限次元解析学による研究

1999 - 2000 Harmonic analysis on discrete structures and its applications to classical and quantum probability models

1999 - 2000 Spectral Theory for Schrodinger Operators with Magnetic Fields and its Application

1997 - 1998 量子力学及び場の量子論における数学的諸問題への無限次元解析によるアプローチ

1997 - 1998 Study on Representations of Algebras and Derived Categories

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Papers (46)：

Tomohiro Fujii, Shinsuke Yamamoto, Toshiki Yamasaki, Masao Hirokawa. On Security Level of Some Secret Keys of Concealing - Restoring System Aimed to BCI/BMI Security. 2024 International Conference on Electrical, Computer and Energy Technologies (ICECET. 2024. 1-6
Masao Hirokawa. Can quantum Rabi model with $${\varvec{A } }^\textbf{2}$$-term avoid no-go theorem and make quantum simulation of mass-enhancement in SUSY breaking?. Quantum Studies: Mathematics and Foundations. 2024. 11. 3. 673-688
Tomohiro Fujii, Shinsuke Yamamoto, Toshiki Yamasaki, Masao Hirokawa. Concealing-Restoring System for Analog Images. 2023 International Conference on Electrical, Computer and Energy Technologies (ICECET). 2023
Tomohiro Fujii, Masao Hirokawa. On Performance of Concealing-Restoring System for Analog Signals on Physical Layer. 2022 International Conference on Electrical, Computer and Energy Technologies (ICECET). 2022
Tomohiro Fujii, Masao Hirokawa. Concealing-restoring system for physical layer data: Based on stochastic filtering theory. Physical Communication. 2022. 52. 101602-101602

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MISC (13)：

HIROKAWA Masao. Non-Commutative Oscillators and Cavity-Induced Atom Cooling (Non-Commutative Analysis and Micro-Macro Duality). RIMS Kokyuroku. 2009. 1658. 58-77
HIROKAWA Masao. The Dicke-Type Transition for Non-Commutative Harmonic Oscillators in the Light of Cavity QED (Spectral and Scattering Theory and Related Topics). RIMS Kokyuroku. 2008. 1607. 93-112
HIROKAWA Masao. Stability of Formation of Large Bipolaron(Micro-Macro Duality in Quantum Analysis). RIMS Kokyuroku. 2007. 1565. 86-92
Hirokawa Masao. Some of Bipolaron Problems(Applications of Renormalization Group Methods in Mathematical Sciences). RIMS Kokyuroku. 2006. 1482. 11-21
HIROKAWA Masao. Infrared Catastrophe and Carleman Operator(Spectral and Scattering Theory and Related Topics). RIMS Kokyuroku. 2006. 1479. 40-48

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Lectures and oral presentations (17)：

Topological Superconductors in Ferromagnetic Nanowires with Domain Wall
(2019 Joint MMM-Intermag Conference 2019)
Topological Superconductors in Ferromagnetic Nanowire with Domain Wall
(The 79th JSAP Autumn Meeting, 2018 2018)
Approximated Eigenstates of Generalized Quantum Rabi Model with A^2-Term in Deep-Strong Coupling Regime
(Strongly Coupled Light-Matter Interactions: Models and Applications 2018)
Quantum simulation of atom coupled to Bose field(s)
(Phenomena Mathematics Seminar 2017)
Virtual and real photons in ground state of generalized quantum Rabi model in ultra-strong coupling regime
(Mini-Workshop on ``Virtual Photons in Ultra-Strongly Coupled Systems'' 2017)

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Work history (12)：

2022/03 - 現在 Kyushu University
2021/04 - 現在 Kyushu University
2020/04 - 現在 Kyushu University System LSI Research Center
2020/04 - 現在 Kyushu University
2020/04 - 2021/03 Kyushu University

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Committee career (11)：

2021 - 現在応用物理学会量子情報工学研究会委員
2021 - 現在 International Conference on Electrical, Computer and Energy Technologies (ICECET) a member of committee
2021/01 - 2023/12 応用物理学会量子情報工学研究会広報幹事
2021/01 - 2023/12 応用物理学会量子情報工学研究会会計幹事
2014/11 - 2017/10 日本学術会議日本学術会議物理学委員会・総合工学委員会合同IUPAP分科会オブザーバー

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Association Membership(s) (2)：

Institute of Electrical and Electronics Engineers (IEEE) , The Japan Society of Applied Physics

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