Achievements during FY2025

Project A01

Papers

• Koji Azuma, Sathyawageeswar Subramanian, "Do black holes store negative entropy?", Progress of Theoretical and Experimental Physics, 2025, 053A01, https://doi.org/10.1093/ptep/ptaf053
• Francesco Buscemi, Rishabh Gangwar, Kunal Goswami, "Causal and Non-Causal Revivals of Information: A New Regime of Non-Markovianity", Physical Review X Quantum 6, 020316 (2025), https://doi.org/10.1103/PRXQuantum.6.020316
• Ryo Okada, Koji Kato, Francesco Buscemi, "Port-based teleporting of an unknown quantum state", Physical Review A 111, 052408 (2025), https://doi.org/10.1103/PhysRevA.111.052408
• Guangxi Bai, Francesco Buscemi, Valerio Scarani, "Quantum Bayes' rule and Petz transpose map from the minimum change principle", Physical Review Letters 135, 090203 (2025), https://doi.org/10.1103/PhysRevLett.135.090203
• Yoshifumi Nakata, Yuki Takeuchi, Mio Murao, "On computational complexity of unitary and state design properties", Physical Review X Quantum 6, 030345 (2025), https://doi.org/10.1103/PRXQuantum.6.030345
• Shin Sun, Kenneth Goodenough, Daniel Hangleiter, "Enhancing distillability of secret keys with entanglement distillation and classical post-processing", Physical Review A 112, 052602 (2025), https://doi.org/10.1103/PhysRevA.112.052602
• Takahiro Nagasawa, Eiichi Wakakuwa, Koji Kato, Francesco Buscemi, "Macroscopicity and observational deficit in states, operations, and correlations", Reports on Progress in Physics 88, 117601 (2025), https://doi.org/10.1088/1361-6633/ad117601
• Jeongrak Son, Ray Ganardi, Shintaro Minagawa, "Catalytic channels are the only noise-robust catalytic processes", Physical Review Letters 136, 050202 (2026), https://doi.org/10.1103/PhysRevLett.136.050202
• Takuya Utsumi, Yoshifumi Nakata, "Explicit decoders using quantum singular value transformation", Quantum 10 (2024), https://doi.org/10.22331/q-2024-03-13-2024

Presentations（学会発表など）

• Francesco Buscemi, "Macroscopic states and operations: a generalized resource theory of coherence", 56th Symposium on Mathematical Physics, Copernicus University, Toruń, Poland, 2025/06
• Francesco Buscemi, "Toward a fully quantum version of Bayes' rule", Mathematics of quantum information, RWTH Aachen, Aachen, Germany, 2025/07
• Francesco Buscemi, "Entropy, Gibbsian coarse-grainings and macroscopic operations", Horizons of Quantum Information II, Hainan University, Haikou, Hainan, China, 2025/07
• Francesco Buscemi, "A New Regime of Non-Markovianity: Non-Causal Revivals VS Genuine Backflows", 17th Italian Quantum Information Science Conference (IQIS 2025), University of Bologna, Bologna, Italy, 2025/09
• Francesco Buscemi, "Fully quantum Bayes' rule from the minimum change principle", Shenzhen-Nagoya Workshop on Quantum Science 2025, Nagoya University, Nagoya, Japan, 2025/09
• Yoshifumi Nakata, "Quantum Error Correction and Quantum Chaos in Hamiltonian Systems", East Asia Joint Seminars On Statistical Physics 2025, KIST, Seoul, Korea, 2025/09
• Yoshifumi Nakata, "量子情報とユニタリデザイン~t-wise independenceの量子拡張~", 情報理論研究会, 東京工業高等専門学校, 東京，日本, 2025/08
• Ryu Hayakawa, "Computational complexity of the homology problem with orientable filtration: MA-completeness", TDA conference 2025, Missouri University, Missouri, US, 2025/11
• Ryu Hayakawa, "Quantum computing and persistence in TDA", 9th International Conference on Quantum Techniques in Machine Learning, Marina Bay Sands, シンガポール, 2025/11
• Ryu Hayakawa, "ハミルトニアン計算複雑性", Summer School 数理物理　2025, 数理解析研究所, 京都, 日本, 2025/08
• Ryu Hayakawa, "Quantum computing and persistence in topological data analysis", 25th Asian Quantum Information Science Conference, The University of Hong Kong (HKU), 香港, 2025/08
• Ryu Hayakawa, "Quantum computing and persistence in topological data analysis", Applied Topology in Poznan 2025, Adam Mickiewicz University, ポスナン, ポーランド, 2025/07
• Ryu Hayakawa, "トポロジカルデータ解析における量子優位性", QIT52, 静岡大学, 浜松, 日本, 2025/05
• Ryu Hayakawa, "量子アルゴリズムと量子計算複雑性理論入門", 第69回　物性若手夏の学校, ホテルたつき, 愛知, 日本, 2024/08
• Koji Azuma, "Towards a quantum internet", International Workshop on Quantum Technologies-2025, Banaras Hindu University, Varanasi, India, 2025/10
• Koji Azuma, "Quantum repeaters with linear-optical pairwise fusion gates", SPIE Optics + Photonics 2025, San Diego Convention Center, San Diego, US, 2025/8
• Francesco Buscemi, "Quantum Bayes’ Rule from the Principle of Minimal Change and Its Applications", Grup d'Informació Quàntica (GIQ) Seminar Series, Autonomous University of Barcelona, Barcelona, Spain, 2026/3/19

Presentations

• Francesco Buscemi, "Macroscopic states and operations: a generalized resource theory of coherence", 56th Symposium on Mathematical Physics, Copernicus University, Toruń, Poland, 2025/06
• Francesco Buscemi, "Toward a fully quantum version of Bayes' rule", Mathematics of quantum information, RWTH Aachen, Aachen, Germany, 2025/07
• Francesco Buscemi, "Entropy, Gibbsian coarse-grainings and macroscopic operations", Horizons of Quantum Information II, Hainan University, Haikou, Hainan, China, 2025/07
• Francesco Buscemi, "A New Regime of Non-Markovianity: Non-Causal Revivals VS Genuine Backflows", 17th Italian Quantum Information Science Conference (IQIS 2025), University of Bologna, Bologna, Italy, 2025/09
• Francesco Buscemi, "Fully quantum Bayes' rule from the minimum change principle", Shenzhen-Nagoya Workshop on Quantum Science 2025, Nagoya University, Nagoya, Japan, 2025/09
• Yoshifumi Nakata, "Quantum Error Correction and Quantum Chaos in Hamiltonian Systems", East Asia Joint Seminars On Statistical Physics 2025, KIST, Seoul, Korea, 2025/09
• Yoshifumi Nakata, "量子情報とユニタリデザイン~t-wise independenceの量子拡張~", 情報理論研究会, 東京工業高等専門学校, 東京，日本, 2025/08
• Ryu Hayakawa, "Computational complexity of the homology problem with orientable filtration: MA-completeness", TDA conference 2025, Missouri University, Missouri, US, 2025/11
• Ryu Hayakawa, "Quantum computing and persistence in TDA", 9th International Conference on Quantum Techniques in Machine Learning, Marina Bay Sands, シンガポール, 2025/11
• Ryu Hayakawa, "ハミルトニアン計算複雑性", Summer School 数理物理　2025, 数理解析研究所, 京都, 日本, 2025/08
• Ryu Hayakawa, "Quantum computing and persistence in topological data analysis", 25th Asian Quantum Information Science Conference, The University of Hong Kong (HKU), 香港, 2025/08
• Ryu Hayakawa, "Quantum computing and persistence in topological data analysis", Applied Topology in Poznan 2025, Adam Mickiewicz University, ポスナン, ポーランド, 2025/07
• Ryu Hayakawa, "トポロジカルデータ解析における量子優位性", QIT52, 静岡大学, 浜松, 日本, 2025/05
• Ryu Hayakawa, "量子アルゴリズムと量子計算複雑性理論入門", 第69回　物性若手夏の学校, ホテルたつき, 愛知, 日本, 2024/08
• Koji Azuma, "Towards a quantum internet", International Workshop on Quantum Technologies-2025, Banaras Hindu University, Varanasi, India, 2025/10
• Koji Azuma, "Quantum repeaters with linear-optical pairwise fusion gates", SPIE Optics + Photonics 2025, San Diego Convention Center, San Diego, US, 2025/8
• Francesco Buscemi, "Quantum Bayes’ Rule from the Principle of Minimal Change and Its Applications", Grup d'Informació Quàntica (GIQ) Seminar Series, Autonomous University of Barcelona, Barcelona, Spain, 2026/3/19

Workshop Organizations

• Andrew Darmawan, "2025 YITP Logical Gates for Encoded Qubits Workshop", YITP Logical Gates for Encoded Qubits Workshop, YITP, Kyoto University, Kyoto, Japan, 2025/04/07-2025/04/18
• Tomoyuki Morimae, "Kyoto Q crypto workshop", Kyoto Q crypto workshop, YITP, YITP, Kyoto, Japan, 2025/11

Award

• Shintaro Minagawa, ""7th Nagoya University Okamoto Young Investigator Award", Nagoya University, 2025/07/08
• KUANG Jiaxi, "Poster Presentation Awards for Young Researchers", QUANTUM INNOVATION 2024, 2025/09/03