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06/19/2023
Multigrid preconditioning for regularized least-squares problems
In this paper, we are concerned with efficiently solving the sequences o...
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08/02/2022
Multigrid reduction-in-time convergence for advection problems: A Fourier analysis perspective
A long-standing issue in the parallel-in-time community is the poor conv...
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07/26/2022
Finite-element discretization of the smectic density equation
The density variation of smectic A liquid crystals is modelled by a four...
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08/30/2021
A Boundary-Layer Preconditioner for Singularly Perturbed Convection Diffusion
Motivated by a wide range of real-world problems whose solutions exhibit...
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05/27/2021
Coarse-Grid Selection Using Simulated Annealing
Multilevel techniques are efficient approaches for solving the large lin...
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05/15/2021
A new mixed finite-element method for the biharmonic problem
Fourth-order differential equations play an important role in many appli...
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10/09/2019
Optimizing MGRIT and Parareal coarse-grid operators for linear advection
Parallel-in-time methods, such as multigrid reduction-in-time (MGRIT) an...
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08/26/2019