activity
20212025
collaborators

5 papers

quant-ph2025

Quantum Bayesian Networks Can Speed up Reinforcement Learning in Partially Observable Environments

Gilberto Cunha, Alexandra Ramôa, André Sequeira +2

Reinforcement learning (RL) provides a principled framework for decision-making in partially observable environments, which can be modeled as Markov decision processes and compactl…

quant-ph2024

A hybrid classical-quantum approach to highly constrained Unit Commitment problems

Bruna Salgado, André Sequeira, Luis Paulo Santos

The unit commitment (UC) problem stands as a critical optimization challenge in the electrical power industry. It is classified as NP-hard, placing it among the most intractable pr…

cs.LG2024

A Laplacian-based Quantum Graph Neural Network for Semi-Supervised Learning

Hamed Gholipour, Farid Bozorgnia, Kailash Hambarde +5

Laplacian learning method is a well-established technique in classical graph-based semi-supervised learning, but its potential in the quantum domain remains largely unexplored. Thi…

quant-ph2024

Trainability issues in quantum policy gradients

André Sequeira, Luis Paulo Santos, Luis Soares Barbosa

This research explores the trainability of Parameterized Quantum circuit-based policies in Reinforcement Learning, an area that has recently seen a surge in empirical exploration.…

quant-ph2021

Generalised Quantum Tree Search

Andre Sequeira, Luis Paulo Santos, Luis Soares Barbosa

This extended abstract reports on on-going research on quantum algorithmic approaches to the problem of generalised tree search that may exhibit effective quantum speedup, even in…