CV

Assistant Professor

Department of Computer Science, University of Colorado at Boulder

Flatiron Research Fellow

Center for Computational Mathematics, Flatiron Institute

Research student

British Antarctic Survey

Research Engineer (intern)

Kokoon Technology Ltd

Research Engineer (intern)

Kokoon Technology Ltd

Research student

Institute of Astronomy, University of Cambridge

PhD

University of Cambridge

Theoretical and Computational Cosmology

• Advised by Anthony Lasenby, Mike Hobson, and Will Handley.
• Thesis titled “Primordial evolution of cosmological perturbations, Theory and computation”

MSci

University of Cambridge

Theoretical and Experimental Physics

• First class

BA

University of Cambridge

Natural Sciences (Physics)

• First class

STFC PhD award

Duncan Bruce memorial prize

Gonville and Caius college, University of Cambridge

Awarded for excellence in Physics

Senior scholarship

Gonville and Caius college, University of Cambridge

Awarded for academic excellence

Integral equations for flexural scattering problems with periodic boundaries

arXiv

Presents a boundary integral equation method to simulate flexural wave scattering by periodic boundaries and junctions of semi-infinite scatterer arrays.

An efficient boundary integral equation solution technique for solving aperiodic scattering problems from two-dimensional, periodic boundaries

arXiv

Presents an efficient boundary integral equation approach for Helmholtz scattering from periodic boundaries excited by a non-periodic source. The method presented improves on previous approaches by precomputing shared quantities among solves in a Floquet-Bloch transform, using the Woodbury formula, and by implementing corner compression.

Complex Scaling for the Junction of Semi-infinite Gratings

arXiv

Develops and analyzes a complex-scaled integral equation approach for scattering from joined semi-infinite periodic structures.

The Well: a Large-Scale Collection of Diverse Physics Simulations for Machine Learning

Advances in Neural Information Processing Systems (NeurIPS)

Introduces The Well, a large and varied collection of numerical physics simulations designed to support training and evaluation of scientific machine-learning methods.

Trapped acoustic waves and raindrops: High-order accurate integral equation method for localized excitation of a periodic staircase

Journal of Computational Physics

Develops a high-order integral equation method for the localized excitation of an infinite periodic staircase, and analyzes the emerging trapped acoustic waves and related scattering behavior.

Quantum initial conditions for curved inflating universes

Physical Review D

Examines the construction and quantization of inflationary perturbations in curved universes and the choice of their quantum initial conditions.

An adaptive spectral method for oscillatory second-order linear ODEs with frequency-independent cost

SIAM Journal on Numerical Analysis

Presents an adaptive spectral solver for second-order linear differential equations whose cost can remain essentially independent of oscillation frequency.

riccati: an adaptive, spectral solver for oscillatory ODEs

Journal of Open Source Software

Introduces open-source software using adaptive spectral techniques to solve rapidly oscillatory ordinary differential equations efficiently.

Finite inflation in curved space

Physical Review D

Studies finite-duration inflation in spatially curved cosmologies and its implications for cosmological perturbations.

Simple and statistically sound recommendations for analysing physical theories

Reports on Progress in Physics

Gives accessible guidance on statistically reliable inference and software for evaluating physical models with many parameters or experimental constraints.

Primordial evolution of cosmological perturbations: theory and computation

University of Cambridge

Doctoral thesis on theoretical and numerical aspects of primordial cosmological perturbations.

Dense output for highly oscillatory numerical solutions

arXiv

Constructs dense output for rapidly oscillating numerical solutions using extensions of WKB approximations and Runge–Kutta methods.

(py)oscode: fast solutions of oscillatory ODEs

Journal of Open Source Software

Describes a Python package for efficient numerical integration of oscillatory differential equations using a hybrid WKB and Runge–Kutta approach.

Quantum initial conditions for inflation and canonical invariance

Physical Review D

Investigates quantum initial states for inflationary fluctuations and their dependence on the choice of canonical variables.

Efficient method for solving highly oscillatory ordinary differential equations with applications to physical systems

Physical Review Research

Presents a fast hybrid WKB and Runge–Kutta method for oscillatory ordinary differential equations, including applications in physics.