most citedA nonconforming saddle point least squares approach for elliptic interface problems

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math.NA2021

Efficient discretization and preconditioning of the singularly perturbed Reaction Diffusion problem

Constantin Bacuta, Daniel Hayes, Jacob Jacavage

We consider the reaction diffusion problem and present efficient ways to discretize and precondition in the singular perturbed case when the reaction term dominates the equation. U…

math.NA2018★ 1 cited

A nonconforming saddle point least squares approach for elliptic interface problems

Constantin Bacuta, Jacob Jacavage

We present a non-conforming least squares method for approximating solutions of second order elliptic problems with discontinuous coefficients. The method is based on a general Sad…

math.NA2018

Saddle Point Least Squares Preconditioning of Mixed Methods

Constantin Bacuta, Jacob Jacavage

We present a simple way to discretize and precondition mixed variational formulations. Our theory connects with, and takes advantage of, the classical theory of symmetric saddle po…