Representation theory for geometric quantum machine learning

M Ragone, P Braccia, QT Nguyen, L Schatzki… - arxiv preprint arxiv …, 2022 - arxiv.org
Recent advances in classical machine learning have shown that creating models with
inductive biases encoding the symmetries of a problem can greatly improve performance …

Complexity and entanglement in non-local computation and holography

A May - Quantum, 2022 - quantum-journal.org
Does gravity constrain computation? We study this question using the AdS/CFT
correspondence, where computation in the presence of gravity can be related to non …

Gelfand-Tsetlin basis for partially transposed permutations, with applications to quantum information

D Grinko, A Burchardt, M Ozols - arxiv preprint arxiv:2310.02252, 2023 - arxiv.org
We study representation theory of the partially transposed permutation matrix algebra, a
matrix representation of the diagrammatic walled Brauer algebra. This algebra plays a …

Linear programming with unitary-equivariant constraints

D Grinko, M Ozols - Communications in Mathematical Physics, 2024 - Springer
Unitary equivariance is a natural symmetry that occurs in many contexts in physics and
mathematics. Optimization problems with such symmetry can often be formulated as …

Efficient quantum algorithm for port-based teleportation

J Fei, S Timmerman, P Hayden - arxiv preprint arxiv:2310.01637, 2023 - arxiv.org
In this paper, we provide the first efficient algorithm for port-based teleportation, a unitarily
equivariant version of teleportation useful for constructing programmable quantum …

On the duality of teleportation and dense coding

E Chitambar, F Leditzky - IEEE Transactions on Information …, 2023 - ieeexplore.ieee.org
Quantum teleportation is a quantum communication primitive that allows a long-distance
quantum channel to be built using pre-shared entanglement and one-way classical …

Efficient quantum circuits for port-based teleportation

D Grinko, A Burchardt, M Ozols - arxiv preprint arxiv:2312.03188, 2023 - arxiv.org
Port-based teleportation (PBT) is a variant of quantum teleportation that, unlike the canonical
protocol by Bennett et al., does not require a correction operation on the teleported state …

Efficient multi port-based teleportation schemes

M Studziński, M Mozrzymas, P Kopszak… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
In this manuscript we analyse generalised port-based teleportation (PBT) schemes, allowing
for transmitting more than one unknown quantum state (or a composite quantum state) in …

Convex optimization of programmable quantum computers

L Banchi, J Pereira, S Lloyd, S Pirandola - npj Quantum Information, 2020 - nature.com
A fundamental model of quantum computation is the programmable quantum gate array.
This is a quantum processor that is fed by a program state that induces a corresponding …

The asymmetric quantum cloning region

I Nechita, C Pellegrini, D Rochette - Letters in Mathematical Physics, 2023 - Springer
Quantum cloning is a fundamental protocol of quantum information theory. Perfect universal
quantum cloning is prohibited by the laws of quantum mechanics, only imperfect copies …