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quant-ph2026
A Mixture-of-Experts Framework for Practical Hybrid-Quantum Models in Credit Card Fraud Detection
Rodrigo Chaves, Kunal Kumar, Bruno Chagas +4
This paper investigates whether hybrid quantum-classical machine learning can deliver practical improvements in financial fraud detection performance for card-based and other payme…
quant-ph2022★ 1 cited
Why and how to add direction to a quantum walk
Rodrigo Chaves, Bruno Oliveira Chagas, Gabriel Coutinho
We formalize the treatment of directed (or chiral) quantum walks using Hermitian adjacency matrices, bridging two developing fields of research in quantum information and spectral…