Recent Conference Presentations by Ueda Group Members
Members of the Ueda Group recently presented their research at several international and domestic conferences and workshops.
The presentations covered recent developments in tensor-network isometrization, variational quantum algorithms, and quantum-classical approaches to entanglement-spectrum estimation.
Zhiyu Jiang
SQAI-NCTS Joint Workshop 2026
Date: August 25, 2026
Venue: Keio University, Yokohama, Japan
Presentation: Oral
Title: “Isometrization of Tensor Network States via Gauge Propagation”
Zhiyu Jiang presented recent work on the isometrization of tensor-network states using gauge propagation.
22nd Quantum Spin Systems Workshop
Date: August 29, 2026
Venue: Tsuna Heights, Awaji Island, Japan
Presentation: Oral
Title: “Isometrization of Tensor Network States via Gauge Propagation”
Zhiyu Jiang presented the group’s recent work on gauge-propagation-based isometrization of tensor-network states.
81st Annual Meeting of the Physical Society of Japan
Date: September 14, 2026
Venue: Komaba Campus, The University of Tokyo, Tokyo, Japan
Presentation: Oral
Presenters: Zhiyu Jiang and Hiroshi Ueda
Title: “Isometrization of Tensor Network States via Gauge Propagation”
The presentation reported recent progress on converting generic tensor-network states into approximately isometric forms through gauge propagation.
Shohei Miyakoshi
AQIS 2026
Date: August 25, 2026
Venue: KAIST, Daejeon, Korea
Presentation: Poster
Authors: S. Miyakoshi, T. Sugimoto, T. Shirakawa, S. Yunoki, and H. Ueda
Title: “A Concurrent Quantum-Classical Framework for Entanglement Spectrum Estimation via Orthogonality Correction”
The poster presented a quantum-classical framework for estimating entanglement spectra using variational quantum methods with classical orthogonality correction.
TQC 2026
Date: August 31, 2026
Venue: Delta Hotels by Marriott Sherbrooke Conference Center, Sherbrooke, Canada
Presentation: Poster
Authors: S. Miyakoshi, T. Sugimoto, T. Shirakawa, S. Yunoki, and H. Ueda
Title: “A Concurrent Hybrid Framework for Variational Quantum SVD via Classical Orthogonality Correction”
The presentation introduced a hybrid framework for variational quantum singular-value decomposition incorporating classical orthogonality correction.
81st Annual Meeting of the Physical Society of Japan
Date: September 16, 2026
Venue: Komaba Campus, The University of Tokyo, Tokyo, Japan
Presentation: Oral
Authors: Shohei Miyakoshi, Takanori Sugimoto, Tomonori Shirakawa, Seiji Yunoki, and Hiroshi Ueda
Title: “Quantum-Classical Hybrid Implementation of Entanglement Spectrum Estimation Based on Variational Quantum Singular Value Decomposition”
The talk presented a quantum-classical hybrid implementation of entanglement-spectrum estimation based on variational quantum singular-value decomposition.
These presentations provided valuable opportunities to discuss our recent work with researchers in tensor networks, quantum many-body physics, and quantum information science.
Hiroshi Ueda is an Associate Professor at the Center for Quantum Information and Quantum Biology (QIQB), The University of Osaka.
His research focuses on tensor network methods, quantum many-body physics, quantum algorithms, and quantum-classical hybrid computation. He develops theoretical and numerical approaches for understanding quantum many-body systems and for designing quantum algorithms inspired by tensor network structures.