Lindon Roberts

Lecturer

University of Sydney

Australia

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Dr. Lindon Roberts is a Lecturer at the University of Sydney, Australia. His research focuses on optimization techniques, particularly in the areas of bilevel optimization, derivative-free methods, and hyperparameter learning. Recent contributions include advancements in model construction for convex-constrained optimization and applications of ghost imaging in X-ray illumination.

Articles (16)

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2025

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UNITED KINGDOM

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Catherine Hassell Sweatman

Lecturer

University of Auckland

NEW ZEALAND

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Coralia Cartis

University of Oxford

UNITED KINGDOM

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Lindon Roberts

Research Interests

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About

Articles (16)

An Adaptively Inexact First-Order Method for Bilevel Optimization with Application to Hyperparameter Learning

Model Construction for Convex-Constrained Derivative-Free Optimization

Analyzing inexact hypergradients for bilevel learning

Expected decrease for derivative-free algorithms using random subspaces

Optimizing nonconfigurable, transversely displaced masks for illumination patterns in classical ghost imaging

Furnace vestibule heat transport models

Scalable subspace methods for derivative-free nonlinear least-squares optimization

Direct Search Based on Probabilistic Descent in Reduced Spaces

Mask design, fabrication, and experimental ghost imaging applications for patterned X-ray illumination

Model-Based Derivative-Free Methods for Convex-Constrained Optimization

Model-Based Derivative-Free Methods for Convex-Constrained Optimization

On the selection of the weighting parameter value in optimizing Eucalyptus globulus pulp yield models based on NIR spectra

PyCUTEst: an open source Python package of optimization test problems

Escaping local minima with local derivative-free methods: a numerical investigation

Does Model Calibration Reduce Uncertainty in Climate Projections?

A simplified convergence theory for Byzantine resilient stochastic gradient descent

Collaborators (7)

andrew kingston

David Paganin

Barry Cox

David Pontin

Matthias Ehrhardt

Catherine Hassell Sweatman

Coralia Cartis

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