152 citations
- University of EdinburghGB28 papers
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math.NA2025
Parallel-in-Time Preconditioning for Time-Dependent Variational Mean Field Games
Heidi Wolles Ljósheim, Dante Kalise, John W. Pearson +1
We study the numerical approximation of a time-dependent variational mean field game system with local couplings and either periodic or Neumann boundary conditions. Following a var…
math.NA2025
Block Alpha-Circulant Preconditioners for All-at-Once Diffusion-Based Covariance Operators
Jemima M. Tabeart, Selime Gürol, John W. Pearson +1
Covariance matrices are central to data assimilation and inverse methods derived from statistical estimation theory. Previous work has considered the application of an all-at-once…