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20182025
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quant-ph2025

Experimental differentiation and extremization with analog quantum circuits

Evan Philip, Julius de Hond, Vytautas Abramavicius +8

Solving and optimizing differential equations (DEs) is ubiquitous in both engineering and fundamental science. The promise of quantum architectures to accelerate scientific computi…

quant-ph2025

Quantum Graph Attention Networks: Trainable Quantum Encoders for Inductive Graph Learning

Arthur M. Faria, Mehdi Djellabi, Igor O. Sokolov +1

We introduce Quantum Graph Attention Networks (QGATs) as trainable quantum encoders for inductive learning on graphs, extending the Quantum Graph Neural Networks (QGNN) framework.…

quant-ph2025

Conservative quantum offline model-based optimization

Kristian Sotirov, Annie E. Paine, Savvas Varsamopoulos +2

Offline model-based optimization (MBO) refers to the task of optimizing a black-box objective function using only a fixed set of prior input-output data, without any active experim…

quant-ph2025

Inductive Graph Representation Learning with Quantum Graph Neural Networks

Arthur M. Faria, Ignacio F. Graña, Savvas Varsamopoulos

Quantum Graph Neural Networks (QGNNs) offer a promising approach to combining quantum computing with graph-structured data processing. While classical Graph Neural Networks (GNNs)…

quant-ph2019

Decoding surface code with a distributed neural network based decoder

Savvas Varsamopoulos, Koen Bertels, Carmen G. Almudever

There has been a rise in decoding quantum error correction codes with neural network based decoders, due to the good decoding performance achieved and adaptability to any noise mod…

quant-ph2018

Comparing neural network based decoders for the surface code

Savvas Varsamopoulos, Koen Bertels, Carmen G. Almudever

Matching algorithms can be used for identifying errors in quantum systems, being the most famous the Blossom algorithm. Recent works have shown that small distance quantum error co…