Search Results for author: Brian Coyle

Found 8 papers, 0 papers with code

Machine learning applications for noisy intermediate-scale quantum computers

no code implementations19 May 2022 Brian Coyle

We discuss and present a framework for quantum advantage for such models, propose gradient-based training methods and demonstrate these both numerically and on the Rigetti quantum computer up to 28 qubits.

BIG-bench Machine Learning Quantum Machine Learning

Graph neural network initialisation of quantum approximate optimisation

no code implementations4 Nov 2021 Nishant Jain, Brian Coyle, Elham Kashefi, Niraj Kumar

In this work, we focus on the quantum approximate optimisation algorithm (QAOA) for solving the MaxCut problem.

Meta-Learning

Variational inference with a quantum computer

no code implementations11 Mar 2021 Marcello Benedetti, Brian Coyle, Mattia Fiorentini, Michael Lubasch, Matthias Rosenkranz

One alternative is variational inference, where a candidate probability distribution is optimized to approximate the posterior distribution over unobserved variables.

Variational Inference

Variational Quantum Cloning: Improving Practicality for Quantum Cryptanalysis

no code implementations21 Dec 2020 Brian Coyle, Mina Doosti, Elham Kashefi, Niraj Kumar

In this work, we propose variational quantum cloning (VQC), a quantum machine learning based cryptanalysis algorithm which allows an adversary to obtain optimal (approximate) cloning strategies with short depth quantum circuits, trained using hybrid classical-quantum techniques.

Adversarial Attack Cryptanalysis +1

Quantum versus Classical Generative Modelling in Finance

no code implementations3 Aug 2020 Brian Coyle, Maxwell Henderson, Justin Chan Jin Le, Niraj Kumar, Marco Paini, Elham Kashefi

Finding a concrete use case for quantum computers in the near term is still an open question, with machine learning typically touted as one of the first fields which will be impacted by quantum technologies.

BIG-bench Machine Learning Open-Ended Question Answering

The Born Supremacy: Quantum Advantage and Training of an Ising Born Machine

no code implementations3 Apr 2019 Brian Coyle, Daniel Mills, Vincent Danos, Elham Kashefi

In particular, we explore quantum circuit learning using non-universal circuits derived from Ising Model Hamiltonians, which are implementable on near term quantum devices.

BIG-bench Machine Learning Quantum Machine Learning

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