Search Results for author: Christopher W. F. Parsonson

Found 3 papers, 2 papers with code

Reinforcement Learning for Branch-and-Bound Optimisation using Retrospective Trajectories

1 code implementation28 May 2022 Christopher W. F. Parsonson, Alexandre Laterre, Thomas D. Barrett

By retrospectively deconstructing the search tree into multiple paths each contained within a sub-tree, we enable the agent to learn from shorter trajectories with more predictable next states.

Imitation Learning reinforcement-learning

Learning to Solve Combinatorial Graph Partitioning Problems via Efficient Exploration

1 code implementation27 May 2022 Thomas D. Barrett, Christopher W. F. Parsonson, Alexandre Laterre

Compared to the nearest competitor, ECORD reduces the optimality gap by up to 73% on 500 vertex graphs with a decreased wall-clock time.

Efficient Exploration graph partitioning

Optimal Control of SOAs with Artificial Intelligence for Sub-Nanosecond Optical Switching

no code implementations22 Jun 2020 Christopher W. F. Parsonson, Zacharaya Shabka, W. Konrad Chlupka, Bawang Goh, Georgios Zervas

Novel approaches to switching ultra-fast semiconductor optical amplifiers using artificial intelligence algorithms (particle swarm optimisation, ant colony optimisation, and a genetic algorithm) are developed and applied both in simulation and experiment.

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