Characterizing barren plateaus in quantum ansätze with the adjoint representation

E Fontana, D Herman, S Chakrabarti, N Kumar… - Nature …, 2024 - nature.com
Variational quantum algorithms, a popular heuristic for near-term quantum computers, utilize
parameterized quantum circuits which naturally express Lie groups. It has been postulated …

Towards large-scale quantum optimization solvers with few qubits

M Sciorilli, L Borges, TL Patti, D García-Martín… - Nature …, 2025 - nature.com
Quantum computers hold the promise of more efficient combinatorial optimization solvers,
which could be game-changing for a broad range of applications. However, a bottleneck for …

Quantum algorithms for scientific computing

R Au-Yeung, B Camino, O Rathore… - Reports on Progress in …, 2024 - iopscience.iop.org
Quantum computing promises to provide the next step up in computational power for diverse
application areas. In this review, we examine the science behind the quantum hype, and the …

Trainability and expressivity of hamming-weight preserving quantum circuits for machine learning

L Monbroussou, EZ Mamon, J Landman… - arxiv preprint arxiv …, 2023 - arxiv.org
Quantum machine learning (QML) has become a promising area for real world applications
of quantum computers, but near-term methods and their scalability are still important …

Design and execution of quantum circuits using tens of superconducting qubits and thousands of gates for dense Ising optimization problems

FB Maciejewski, S Hadfield, B Hall, M Hodson… - Physical Review …, 2024 - APS
We develop a hardware-efficient ansatz for variational optimization, derived from existing
ansatzes in the literature, that parametrizes subsets of all interactions in the cost Hamiltonian …

Classification of dynamical Lie algebras of 2-local spin systems on linear, circular and fully connected topologies

R Wiersema, E Kökcü, AF Kemper… - npj Quantum …, 2024 - nature.com
Much is understood about 1-dimensional spin chains in terms of entanglement properties,
physical phases, and integrability. However, the Lie algebraic properties of the Hamiltonians …

Quantum Information Processing, Sensing, and Communications: Their Myths, Realities, and Futures

L Hanzo, Z Babar, Z Cai, D Chandra… - Proceedings of the …, 2025 - ieeexplore.ieee.org
The recent advances in quantum information processing, sensing, and communications are
surveyed with the objective of identifying the associated knowledge gaps and formulating a …

[HTML][HTML] Boundary treatment for variational quantum simulations of partial differential equations on quantum computers

P Over, S Bengoechea, T Rung, F Clerici… - Computers & …, 2025 - Elsevier
The paper presents a variational quantum algorithm to solve initial–boundary value
problems described by second-order partial differential equations. The approach uses …

[PDF][PDF] Tight and efficient gradient bounds for parameterized quantum circuits

A Letcher, S Woerner, C Zoufal - arxiv preprint arxiv …, 2023 - quantum-journal.org
The training of a parameterized model largely depends on the landscape of the underlying
loss function. In particular, vanishing gradients (also known as barren plateaus) are a central …

Evolutionary Algorithms and Quantum Computing: Recent Advances, Opportunities, and Challenges

J ur Rehman, MS Ulum, AW Shaffar, AA Hakim… - IEEE …, 2025 - ieeexplore.ieee.org
Quantum computers have made significant progress in the last two decades showing great
potential in tackling some of the most challenging problems in computing. This ongoing …