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このコンテンツをスキップして次のコンテンツへ数理創造プログラム(Interdisciplinary Theoretical and Mathematical Sciences Program, 略称 iTHEMS アイテムズ)は、理論科学・数学・計算科学の研究者が分野の枠を越えて基礎研究を推進する、理化学研究所の新しい国際研究拠点です。iTHEMSでは、「数理」を軸とする分野横断的手法により、宇宙・物質・生命の解明や、社会における基本問題の解決を目指しています。
Upcoming Events
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ワークショップ 開催中
Third Workshop on Density Functional Theory: Fundamentals, Developments, and Applications (DFT2025)
2025年3月25日(火) - 27日(木)
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セミナー 明日開催
Stability of nonsingular black holes
2025年3月27日(木) 15:00 - 16:30
辻川 信二 (早稲田大学 理工学術院 先進理工学研究科 物理学及応用物理学専攻 辻川研究室 教授)
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セミナー 明日開催
The rarer-sex effect
2025年3月27日(木) 16:00 - 17:00
Andy Gardner (Professor, School of Biology, University of St Andrews, UK)
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セミナー
Omega Meson from Lattice QCD
2025年4月2日(水) 15:00 - 16:00
Haobo Yan (Ph.D. Student, School of Physics, Peking University, China)
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セミナー
Gauge subtleties and the finiteness of loop corrections beyond slow roll
2025年4月3日(木) 14:00 - 15:30
Danilo Artigas (京都大学 大学院理学研究科 物理学・宇宙物理学専攻 物理学第二教室 学振特別研究員PD)
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セミナー
iTHEMS Biology Study Group April Launch Meeting (Part 1)
2025年4月3日(木) 14:00 - 15:00
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セミナー
A Strategy for Proving the Strong Eigenstate Thermalization Hypothesis: Chaotic Systems and Holography
2025年4月3日(木) 16:00 - 17:00
川本 大志 (京都大学 基礎物理学研究所 博士課程/日本学術振興会 特別研究員 DC)
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セミナー
iTHEMS Biology Study Group April Launch Meeting (Part 2)
2025年4月10日(木) 16:00 - 17:00
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セミナー
Artificial Intelligence and Neuroscience
2025年4月11日(金) 14:00 - 15:30
近添 淳一 (広島大学 脳・こころ・感性科学研究センター 教授)
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コロキウム
第28回 MACSコロキウム・2025年度MACS学生説明会
2025年4月25日(金) 14:45 - 18:30
鍛冶 静雄 (九州大学 マス・フォア・インダストリ研究所 教授 / 京都大学 大学院理学研究科 附属サイエンス連携探索センター (SACRA) 教授)
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セミナー
From Galaxies to Cosmological Structures: The Multi-Scale Influence of Cosmic Rays
2025年6月13日(金) 14:00 - 15:15
Ellis Owen (理化学研究所 開拓研究本部 (CPR) 長瀧天体ビッグバン研究室 基礎科学特別研究員)
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ワークショップ
Recent Developments and Challenges in Tensor Networks: Algorithms, Applications to science, and Rigorous theories
2025年7月28日(月) - 8月8日(金)
Opportunities
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特別研究員、研究員または上級研究員募集(W24328)
締め切り: ポストが決まり次第
特別研究員、研究員または上級研究員 6名程度。iTHEMSでは、RIKEN Quantumに参画する研究者を広く募集しています。RIKEN Quantumでは物理学、化学、生命科学、人文学を縦糸、計算科学、情報科学を横糸として、量子コンピュータ実機や量子シミュレーターを活用した学際研究を推進しています。
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2026年度 基礎科学特別研究員 募集
締め切り: 2025年4月3日
理研において自由な発想で主体性を持って基礎研究を強力に推進する若手研究者を、2026年度採用の基礎科学特別研究員として募集しています。
Latest News
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2025-03-26
セミナーレポートA Century of Quantum Mechanics by Gordon Baym on March 24, 2025
On March 24, Professor Gordon Baym gave a joint seminar hosted by the Department of Physics at the University of Tokyo and RIKEN iTHEMS, held at the Hongo campus of the University of Tokyo. His talk focused on the history of quantum mechanics, tracing its development and highlighting the contributions of key figures such as Max Planck, Albert Einstein, Niels Bohr, and Werner Heisenberg. He also discussed the profound impact of quantum mechanics on modern technology, particularly its role in the invention of the transistor and the cellphone. In addition, Professor Baym offered inspiring insights into the importance of phase information and the concept of the quantized photon. The seminar drew more than 100 attendees, including participants via Zoom, and concluded with a lively and engaging Q&A session. Reported by Tetsuo Hatsuda
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2025-03-24
ホットトピックFarewell message from Akihisa Yamamoto
Our colleague, Akihosa Yamamoto, will be joining Department of Mechanical Systems Engineering, Faculty of Systems Design at Tokyo Metropolitan University as an Associate Professor starting April 1st, 2025. We will all miss him and wish him the best of luck in this new endeavor. Here is a message from Akihisa: I joined RIKEN iTHEMS as a research scientist in April 2024. Although it has only been a year, I truly enjoyed my time here. I have encountered many exciting and diverse research topics that have significantly expanded my scientific horizons and thoroughly enjoyed attending seminars across various fields. Due to the great diversity and high quality of the presentations, it has not always been easy to grasp the key take-home messages and formulate relevant questions. Nonetheless, I have always enjoyed the opportunity to immerse myself in these stimulating discussions. I am also very grateful for the positive atmosphere of iTHEMS, fostered by talented and considerate colleagues. It has been a great pleasure to be a part of this fantastic institute, and I sincerely thank the Program Director Hatsuda-san and every member of iTHEMS including all the assistants for collectively maintaining such a supportive environment. I will be appointed as an Associate Professor in the Biomechanical Engineering Area in the Department of Mechanical Systems Engineering, Faculty of Systems Design at Tokyo Metropolitan University on April 1st, 2025. I plan to continue my exploration of the mechanistic understanding of homeostasis and the dynamics of living systems. I am sure that the scientific perspective and thought processes I have developed during my time at iTHEMS will remain with me throughout my scientific career. I sincerely wish for the continuous and even greater success of iTHEMS, and I look forward to staying in touch with iTHEMS members.
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2025-03-23
ホットトピックFarewell message from Rongyang Sun
Our colleague, Rongyang Sun, will be joining Department of Physics and Astronomy, California State University Northridge, as a postdoctoral researcher, starting April 2025. We will all miss him and wish him the best of luck in this new endeavor. Here is a message from Rongyang: I joined iTHEMS in April 2023 as part of RIKEN Quantum, and you may not even meet me on campus as my base is at R-CCS in Kobe. Although my time in iTHEMS has been short, formally only half a year, and I participated in the events remotely most of the time, I learned so much, far more than I expected, from this active research institute, which owns the best diversity and productivity. I would like to thank all the members of iTHEMS, including the directors, researchers, and assistants. Thank you for giving me such a unique experience in my research career! While I am moving to the US, a physically very far away place, I will continue to follow the development of iTHEMS and share in its success. Starting in April 2025, iTHEMS will be upgraded to a research center. I sincerely wish all the members and the institute greater success in this new era!
Upcoming Visitors
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来訪中
ゴードン・ベイム
理化学研究所 数理創造プログラム (iTHEMS) 客員主管研究員 / Professor Emeritus, University of Illinois, USA期間: 2025年3月2日(日) - 31日(月)来訪場所: 理化学研究所 和光キャンパス -
来訪中
Andy Gardner
Professor, School of Biology, University of St Andrews, UK期間: 2025年3月24日(月) - 28日(金)来訪場所: 理化学研究所 和光キャンパス