collaborators

9 papers

quant-ph2026

Latent-Conditioned Parameterized Quantum Circuits as Universal Approximators for Distributions over Quantum States

Quoc Hoan Tran, Koki Chinzei, Yasuhiro Endo +1

Many applications in quantum simulation, quantum chemistry, and quantum machine learning require not a single quantum state but an ensemble of states characterizing the heterogenei…

quant-ph2026

Iterative Quantum Feature Maps

Nasa Matsumoto, Quoc Hoan Tran, Koki Chinzei +2

Quantum machine learning models that leverage quantum circuits as quantum feature maps (QFMs) are recognized for their enhanced expressive power in learning tasks. Such models have…

quant-ph2026

Resource-efficient equivariant quantum convolutional neural networks

Koki Chinzei, Quoc Hoan Tran, Yasuhiro Endo +1

Equivariant quantum neural networks (QNNs) are promising variational models that exploit symmetries to improve machine learning capabilities. Despite theoretical developments in eq…

quant-ph2026

Learning Quantum Data Distribution via Chaotic Quantum Diffusion Model

Quoc Hoan Tran, Koki Chinzei, Yasuhiro Endo +1

Generative models for quantum data pose significant challenges but hold immense potential in fields such as chemoinformatics and quantum physics. Quantum denoising diffusion probab…

quant-ph2026

Universality of Many-body Projected Ensemble for Learning Quantum Data Distribution

Quoc Hoan Tran, Koki Chinzei, Yasuhiro Endo +1

Generating quantum data by learning the underlying quantum distribution poses challenges in both theoretical and practical scenarios, yet it is a critical task for understanding qu…

quant-ph2025

Learning quantum many-body data locally: A provably scalable framework

Koki Chinzei, Quoc Hoan Tran, Norifumi Matsumoto +2

Machine learning (ML) holds great promise for extracting insights from complex quantum many-body data obtained in quantum experiments. This approach can efficiently solve certain q…