English

Stability of the Ritz projection in weighted $W^{1,1}$

Numerical Analysis 2024-03-14 v1 Numerical Analysis

Abstract

We prove the stability in weighted W1,1W^{1,1} spaces for standard finite element approximations of the Poisson equation in convex polygonal or polyhedral domains, when the weight belongs to Muckenhoupt's class A1A_1 and the family of meshes is quasi-uniform.

Keywords

Cite

@article{arxiv.2403.07934,
  title  = {Stability of the Ritz projection in weighted $W^{1,1}$},
  author = {Irene Drelichman and Ricardo G. Duran},
  journal= {arXiv preprint arXiv:2403.07934},
  year   = {2024}
}