activity
20242026
collaborators

6 papers

quant-ph2026

Grover's algorithm is an approximation of imaginary-time evolution

Yudai Suzuki, Marek Gluza, Jeongrak Son +3

We reveal the power of Grover's algorithm from thermodynamic and geometric perspectives by showing that it is a product formula approximation of imaginary-time evolution (ITE), a R…

quant-ph2025

On Dequantization of Supervised Quantum Machine Learning via Random Fourier Features

Mehrad Sahebi, Alice Barthe, Yudai Suzuki +2

In the quest for quantum advantage, a central question is under what conditions can classical algorithms achieve a performance comparable to quantum algorithms--a concept known as…

quant-ph2025

Double-bracket algorithm for quantum signal processing without post-selection

Yudai Suzuki, Bi Hong Tiang, Jeongrak Son +3

Quantum signal processing (QSP), a framework for implementing matrix-valued polynomials, is a fundamental primitive in various quantum algorithms. Despite its versatility, a potent…

quant-ph2025

Role of scrambling and noise in temporal information processing with quantum systems

Weijie Xiong, Zoë Holmes, Armando Angrisani +3

Scrambling quantum systems have attracted attention as effective substrates for temporal information processing. Here we consider a quantum reservoir processing framework that capt…

quant-ph2025

Double-bracket quantum algorithms for quantum imaginary-time evolution

Marek Gluza, Jeongrak Son, Bi Hong Tiang +5

Efficiently preparing approximate ground-states of large, strongly correlated systems on quantum hardware is challenging and yet nature is innately adept at this. This has motivate…

quant-ph2024

Light-cone feature selection for quantum machine learning

Yudai Suzuki, Rei Sakuma, Hideaki Kawaguchi

Feature selection plays an essential role in improving the predictive performance and interpretability of trained models in classical machine learning. On the other hand, the usabi…