no code implementations • 5 Mar 2024 • Shumpei Kobayashi, Quoc Hoan Tran, Kohei Nakajima
The echo state property (ESP) represents a fundamental concept in the reservoir computing (RC) framework that ensures output-only training of reservoir networks by being agnostic to the initial states and far past inputs.
no code implementations • 12 Jun 2023 • Koki Chinzei, Quoc Hoan Tran, Kazunori Maruyama, Hirotaka Oshima, Shintaro Sato
These results open up new possibilities for incorporating the prior data knowledge into the efficient design of QML models, leading to practical quantum advantages.
no code implementations • 2 Apr 2023 • Quoc Hoan Tran, Shinji Kikuchi, Hirotaka Oshima
We propose variational denoising, an unsupervised learning method that employs a parameterized quantum neural network to improve the solution of VQE by learning from noisy VQE outputs.
no code implementations • 1 Sep 2022 • Quoc Hoan Tran, Sanjib Ghosh, Kohei Nakajima
Current technologies in quantum-based communications bring a new integration of quantum data with classical data for hybrid processing.
no code implementations • 16 Jul 2022 • Tomoyuki Kubota, Yudai Suzuki, Shumpei Kobayashi, Quoc Hoan Tran, Naoki Yamamoto, Kohei Nakajima
We demonstrate this ability in several typical benchmarks and investigate the information processing capacity to clarify the framework's processing mechanism and memory profile.
no code implementations • 25 Mar 2021 • Quoc Hoan Tran, Kohei Nakajima
Quantifying and verifying the control level in preparing a quantum state are central challenges in building quantum devices.
no code implementations • 1 Sep 2020 • Takahiro Goto, Quoc Hoan Tran, Kohei Nakajima
This feature map provides opportunities to incorporate quantum advantages into machine learning algorithms to be performed on near-term intermediate-scale quantum computers.
1 code implementation • 16 Jun 2020 • Quoc Hoan Tran, Kohei Nakajima
Quantum reservoir computing (QRC) is an emerging paradigm for harnessing the natural dynamics of quantum systems as computational resources that can be used for temporal machine learning tasks.
no code implementations • 7 May 2020 • Kazuha Itabashi, Quoc Hoan Tran, Yoshihiko Hasegawa
By characterizing the phase dynamics in coupled oscillators, we gain insights into the fundamental phenomena of complex systems.
no code implementations • 7 Apr 2020 • Quoc Hoan Tran, Mark Chen, Yoshihiko Hasegawa
Topological data analysis is an emerging framework for characterizing the shape of data and has recently achieved success in detecting structural transitions in material science, such as the glass--liquid transition.
1 code implementation • 8 Nov 2018 • Quoc Hoan Tran, Van Tuan Vo, Yoshihiko Hasegawa
Real-world networks are difficult to characterize because of the variation of topological scales, the non-dyadic complex interactions and the fluctuations.
Social and Information Networks Algebraic Topology Physics and Society
1 code implementation • 1 Mar 2018 • Quoc Hoan Tran, Yoshihiko Hasegawa
This method reveals multiple-time-scale patterns in a time series by allowing observation of variations in topological features, with time delay serving as an extra dimension in topological-feature space.
Data Analysis, Statistics and Probability