Open quantum systems with local and collective incoherent processes: Efficient numerical simulations using permutational invariance

N Shammah, S Ahmed, N Lambert, S De Liberato… - Physical Review A, 2018 - APS
The permutational invariance of identical two-level systems allows for an exponential
reduction in the computational resources required to study the Lindblad dynamics of …

Quantum data compression by principal component analysis

CH Yu, F Gao, S Lin, J Wang - Quantum Information Processing, 2019 - Springer
Data compression can be achieved by reducing the dimensionality of high-dimensional but
approximately low-rank datasets, which may in fact be described by the variation of a much …

Realization of a quantum autoencoder for lossless compression of quantum data

CJ Huang, H Ma, Q Yin, JF Tang, D Dong, C Chen… - Physical Review A, 2020 - APS
As a ubiquitous aspect of modern information technology, data compression has a wide
range of applications. Therefore, a quantum autoencoder which can compress quantum …

Optimal universal programming of unitary gates

Y Yang, R Renner, G Chiribella - Physical review letters, 2020 - APS
A universal quantum processor is a device that takes as input a (quantum) program,
containing an encoding of an arbitrary unitary gate, and a (quantum) data register, on which …

An efficient high dimensional quantum Schur transform

H Krovi - Quantum, 2019 - quantum-journal.org
The Schur transform is a unitary operator that block diagonalizes the action of the symmetric
and unitary groups on an n fold tensor product V⊗ n of a vector space V of dimension d …

Efficient algorithms for quantum information bottleneck

M Hayashi, Y Yang - Quantum, 2023 - quantum-journal.org
The ability to extract relevant information is critical to learning. An ingenious approach as
such is the information bottleneck, an optimisation problem whose solution corresponds to a …

Efficient multi‐qubit quantum data compression

CR Fan, B Lu, XT Feng, WC Gao… - Quantum …, 2021 - Wiley Online Library
Quantum data compression is of great significance to both quantum computation and
quantum communication due to the limited resources for quantum storage. Here in this …

Implementation of quantum compression on IBM quantum computers

M Pivoluska, M Plesch - Scientific Reports, 2022 - nature.com
Advances in development of quantum computing processors brought ample opportunities to
test the performance of various quantum algorithms with practical implementations. In this …

Optimal universal quantum error correction via bounded reference frames

Y Yang, Y Mo, JM Renes, G Chiribella, MP Woods - Physical Review Research, 2022 - APS
Error correcting codes with a universal set of transversal gates are a desideratum for
quantum computing. Such codes, however, are ruled out by the Eastin-Knill theorem …

A simplified formalism of the algebra of partially transposed permutation operators with applications

M Mozrzymas, M Studziński… - Journal of Physics A …, 2018 - iopscience.iop.org
Herein we continue the study of the representation theory of the algebra of permutation
operators acting on the $ n $-fold tensor product space, partially transposed on the last …