collaborators

5 papers

quant-ph2026

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-ph2026

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-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.…

cond-mat.mtrl-sci2025

Materials Discovery With Quantum-Enhanced Machine Learning Algorithms

Ignacio F. Graña, Savvas Varsamopoulos, Tatsuhito Ando +2

Materials discovery is a computationally intensive process that requires exploring vast chemical spaces to identify promising candidates with desirable properties. In this work, we…