Quantum machine learning on near-term quantum devices: Current state of supervised and unsupervised techniques for real-world applications

Y Gujju, A Matsuo, R Raymond - Physical Review Applied, 2024 - APS
The past decade has witnessed significant advancements in quantum hardware,
encompassing improvements in speed, qubit quantity, and quantum volume—a metric …

Quantum support vector machine based on regularized Newton method

R Zhang, J Wang, N Jiang, H Li, Z Wang - Neural Networks, 2022 - Elsevier
An elegant quantum version of least-square support vector machine, which is exponentially
faster than the classical counterpart, was given by Rebentrost et al. using the matrix …

Quantum second-order optimization algorithm for general polynomials

P Gao, K Li, S Wei, GL Long - Science China Physics, Mechanics & …, 2021 - Springer
Quantum optimization algorithms can outperform their classical counterpart and are key in
modern technology. The second-order optimization algorithm (the Newton algorithm) is a …

Quantum support vector machine based on gradient descent

H Li, N Jiang, R Zhang, Z Wang, H Wang - International Journal of …, 2022 - Springer
Support vector machine is a supervised machine learning algorithm, which is usually solved
by iterative method. Quantum algorithms have significant advantages over classical …

Random coordinate descent: a simple alternative for optimizing parameterized quantum circuits

Z Ding, T Ko, J Yao, L Lin, X Li - Physical Review Research, 2024 - APS
Variational quantum algorithms rely on the optimization of parameterized quantum circuits in
noisy settings. The commonly used back-propagation procedure in classical machine …

[HTML][HTML] Iterative quantum algorithm for combinatorial optimization based on quantum gradient descent

X Yi, JC Huo, YP Gao, L Fan, R Zhang, C Cao - Results in Physics, 2024 - Elsevier
Combinatorial optimization has wide and high-value applications in many fields of science
and industry, but solving general combinatorial optimization problems is non-deterministic …

Quantum gradient descent algorithms for nonequilibrium steady states and linear algebraic systems

JM Liang, SJ Wei, SM Fei - Science China Physics, Mechanics & …, 2022 - Springer
The gradient descent approach is the key ingredient in variational quantum algorithms and
machine learning tasks, which is an optimization algorithm for finding a local minimum of an …

Quantum spectral method for gradient and Hessian estimation

Y Zhang, C Shao - arXiv preprint arXiv:2407.03833, 2024 - arxiv.org
Gradient descent is one of the most basic algorithms for solving continuous optimization
problems. In [Jordan, PRL, 95 (5): 050501, 2005], Jordan proposed the first quantum …

Polynomial optimization with linear combination of unitaries

L Cheng, P Gao, T Wang, K Li - Physical Review A, 2024 - APS
In optimization, a pivotal challenge involves minimizing or maximizing polynomial functions,
which is often tackled through iterative methods. Although quantum algorithms hold promise …

Implementation of Quantum Algorithms via Fast Three-Rydberg-Atom CCZ Gates

S Tang, C Yang, D Li, X Shao - Entropy, 2022 - mdpi.com
Multiqubit CCZ gates form one of the building blocks of quantum algorithms and have been
involved in achieving many theoretical and experimental triumphs. Designing a simple and …