Benjamin M. Kent

Curriculum Vitae

Email ben kent at live dot co dot uk
Website https://benmkent.github.io/
GitHub https://github.com/benmkent/

Academic Experience

February 2024 – Present: Postdoc at IMATI-CNR, Pavia, Italy

  • Development of novel sparse grid polynomial approximation algorithms in the context of uncertainty quantification.

September 2019 – November 2023: PhD in Numerical Analysis at The University of Manchester, UK

  • Supervised by Professor Professor Catherine Powell and Professor David Silvester.
  • Industry sponsored ICASE project with IBM Research UK.
  • Thesis: Efficient Approximation of Parametric Parabolic Partial Differential Equations. [PDF]
  • Investigated adaptive-in-time sparse-grid stochastic collocation approximation of a parametric time-dependent advection–diffusion problem.
  • Techniques considered include finite element method, adaptive timestepping (local error control) and sparse grid polynomial approximation.
  • Hierarchical and residual error estimation strategies developed in the context of novel adaptive approximation algorithms.
  • Completed courses in Uncertainty Quantification, Functional Analysis, Approximation Theory and Finite Element Analysis, Adaptive Finite Element Methods.
  • Other topics studied include UQ techniques (Monte Carlo, stochastic collocation, stochastic Galerkin methods), a priori and a posteriori error estimation for FEM approximations of elliptic problems and Bayesian inverse problems.

September 2012 – July 2015: Mathematics and Physics BSc, First-Class Honours at The University of Warwick, UK

  • Prize for the best exam results in my cohort.

September 2010 – July 2012: The College of Richard Collyer, Horsham, UK

  • A Levels: Mathematics A*, Further Mathematics A*, Physics A*, Chemistry A*, Electronics A*.
    GCSE: 10 A* (inc Maths and English) + 1 A (French)

Publications

  • Seelinger, L., Reinarz, A., Lykkegaard, M.B., Akers, R., Alghamdi, A.M.A., Aristoff, D., Bangerth, W., Bénézech, J., Diez, M., Frey, K., Jakeman, J.D., Jørgensen, J.S., Kim, K.-T., Kent, B.M., Martinelli, M., Parno, M., Pellegrini, R., Petra, N., Riis, N.A.B., Rosenfeld, K., Serani, A., Tamellini, L., Villa, U., Dodwell, T.J., Scheichl, R.: Democratizing Uncertainty Quantification. Journal of Computational Physics. 113542 (2024). https://doi.org/10.1016/j.jcp.2024.113542
  • Kent, B.M., Powell, C.E., Silvester, D.J., Zimoń, M.J.: Efficient Adaptive Stochastic Collocation Strategies for Advection–Diffusion Problems with Uncertain Inputs. Journal of Scientific Computing. 96, 64 (2023). https://doi.org/10.1007/s10915-023-02247-w
  • In preparation:
    Error Estimation through Auxiliary Local Problems for a Stochastic Collocation Approximation of Advection–Diffusion Problems with Uncertain Inputs.

Conference Organisation

Conference Talks

  • Workshop on Frontiers of Uncertainty Quantification, Septmber 2024. Adaptive Stochastic Collocation for Parametric Parabolic PDEs.
  • The 29th Biennial Numerical Analysis Conference 2023, June 2023. Adaptive in Time Approximation of Parametric Parabolic PDEs.
  • Manchester SIAM-IMA Student Chapter Conference 2023, April 2023. Adaptive in Time Approximation of Parametric Parabolic PDEs (Best Student Talk Prize Winner). [PDF]
  • SIAM Conference on Computational Science and Engineering, February 2023. Efficient Adaptive Stochastic Collocation Strategies for Advection-Diffusion Problems with Uncertain Inputs.
  • SIAM UKIE National Student Chapter Conference, June 2022. Error Estimation for Stochastic Collocation Approximation of Parametric Advection–Diffusion Problems.
  • IBM Research UK (invited seminar), April 2022. Efficient Approximation of Parametric Parabolic PDEs.
  • SIAM Conference on Uncertainty Quantification, April 2022. A Posteriori Error Estimation for Stochastic Collocation Applied to Parametric Parabolic PDEs.
  • 26th Annual Meeting of SIAM UKIE Section, January 2022. A Posteriori Error Estimation for Stochastic Collocation Applied to Parametric Parabolic PDEs.

Industrial Experience

September 2017 – August 2019: Algorithm Developer at Thales, Stockport, UK

  • Analysis of noisy time series sensor data and array signal processing algorithms.
  • Analysis of customer experiment datasets and reporting of computational results.
  • Collaboration with systems engineers to transform customer requirements to algorithm specifications
  • Collaboration with software engineers to implement algorithm specifications in products.

September 2015 – September 2017: Research Engineer at Thales, Reading, UK

  • Two-year graduate scheme with training in both technical and core skills.
  • Four project placements: cryptographic key exchange algorithms, radar signal processing algorithms, filtering and tracking algorithms, array signal processing and data analysis.

July 2014 – August 2014: Rules and Procedures Software Internship, Lloyd’s Register, Southampton, UK

  • Upgrading FEM software from FORTRAN to C++.

Programming Experience

  • MATLAB: 8 years as primary language (industrial and academic).
  • Python: FEM approximation via FEniCS and PETSC4py. Interfacing with MATLAB and Julia. Some additional minor industrial projects.
  • C / C++: Development of cryptographic key-exchange algorithms, undergraduate course, development of FEM software.
  • Julia: Implementation of novel PDE approximation algorithms. Interfacing with Python.
  • Experience using UNIX systems.
  • Version control (git, SVN).
  • Proficient with LaTeX.

Teaching

  • Teaching assistant for Matrix Analysis MATH36001, semester one, 2021.
  • Teaching assistant for Mathematical Workshop MATH10001, semester one, 2021.
  • Teaching assistant for Complex Analysis MATH20142, semester two, 2020.

This project is maintained by benmkent. It is a built from the Swiss Jekyll theme.