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J-GLOBAL ID：201801013150077594 Update date: Feb. 26, 2025

HIROAKI TOYAMA

トオヤマヒロアキ | HIROAKI TOYAMA

Affiliation and department：
Job title： Associate Professor

Research field (1)： Information theory

Research keywords (3)：量子情報論 , 近似アルゴリズム , 計算量理論

Research theme for competitive and other funds (1)：

Papers (24)：

Hiroaki Tohyama, Eizaburo Kamei, Masayuki Watanabe. Operator valued inequalities based on Young's inequality. Advances in Operator Theory. 2023. 8
Hiroaki Tohyama, Eizaburo Kamei, Masayuki Watanabe. Operator inequalities related to Young’s inequality. Advances in Operator Theory. 2022. 7. 4
Hiroaki Tohyama, Masaki Tomisawa. Complexity of the Police Officer Patrol Problem. Journal of Information Processing. 2022. 30. 307-314
Kousuke KAGAYA, Masaki TOMISAWA, Hiroaki TOHYAMA. Computational Complexity of k Generalized Lunar Lockout Variant Problem. 2022. J105-D. 3. 144-153
Hiroaki Tohyama, Eizaburo Kamei, Masayuki Watanabe. The n-th residual relative operator entropy R[n]x,y(A|B) and the n-th operator valued divergence. Journal of the Iranian Mathematical Society. 2021. 2. 2. 71-79

MISC (11)：

The $n$-th residual relative operator entropy. 2021. 2202. 106-118
The n-th relative operator entropies and the n-th residual operator entropy. 2019. 2113. 101-112
伊佐浩史, 伊藤公智, 亀井榮三郎, 遠山宏明, 渡邊雅之. On the n-th generalized operator valued divergences. 数理解析研究所講究録 Banach空間に基づく技法による作用素論の最近の研究と関連する話題. 2018. 2073. 63-71
伊佐浩史, 伊藤公智, 亀井榮三郎, 遠山宏明, 渡邊雅之. Velocity and acceleration at a point on the paths A ♮t B and A ♯t,r B. 数理解析研究所講究録2033作用素論に基づく量子情報理論の幾何学的構造に関する研究と関連する話題. 2017. 2033. 2033. 158-167
伊佐浩史, 伊藤公智, 亀井榮三郎, 遠山宏明, 渡邊雅之. Some operator divergences based on Petz-Bregman divergence. RIMS研究集会報告集. 2016. 1996. 1-12

Lectures and oral presentations (42)：

The n-th relative operator entropies and their applications
(2023 作用素論・作用素環論研究集会 2023)
Operator valued inequalities based on Young's inequality
(2023年度日本数学会秋季総合分科会 2023)
遺伝的アルゴリズムによる施設警備のための経路生成
(日本設備管理学会 2023年度第1回知能技術応用研究部会 2023)
Operator inequalities related to Young’s inequality
(2023)
NP-completeness of k Generalized Lunar Lockout Variant
(京都大学数理解析研究所RIMS共同研究(公開型)「アルゴリズムと計算理論の新潮流」, 2020年度冬のLAシンポジウム 2021)

Professional career (1)：

Work history (6)：

2020/04 - 現在前橋工科大学大学院工学研究科生命情報学専攻(博士課程) 准教授
2015/04 - 現在 Maebashi Institute of Technology Graduate school of Engineering Division of Life Science and Informatics Associate Professor
2015/04/01 - 現在 Maebashi Institute of Technology Graduate School
2015/04 - 現在 Maebashi Institute of Technology Faculty of Engineering Department of Life science and Informatics Associate Professor
1998/04 - 2015/03 Maebashi Institute of Technology Faculty of Engineering Department of Life science and Informatics Lecturer

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Awards (3)：

2023/11 - Advances in Operator Theory The 2024-Best Paper AIOT Award Operator valued inequalities based on Young's inequality
2022/03 - 一般社団法人電子情報通信学会電子情報通信学会和文論文誌 D:情報・システム学生論文特集秀逸論文 k Generalized Lunar Lockout Variant問題の計算複雑さ
2021/03 - The 10th LA/EATCS-Japan Student Presentation Award

Association Membership(s) (3)：

日本数学会 , 電子情報通信学会 , 情報処理学会

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