English

Reaction-diffusion systems in annular domains: source stability estimates with boundary observations

Analysis of PDEs 2024-07-02 v1

Abstract

We consider systems of reaction-diffusion equations coupled in zero order terms, with general homogeneous boundary conditions in domains with a particular geometry (annular type domains). We establish Lipschitz stability estimates in L^2 norm for the source in terms of the solution and/or its normal derivative on a connected component of the boundary. The main tools are represented by: appropriate Carleman estimates in L^2 norms, with boundary observations, and positivity improving properties for the solutions to parabolic equations and systems.

Keywords

Cite

@article{arxiv.2407.00399,
  title  = {Reaction-diffusion systems in annular domains: source stability estimates with boundary observations},
  author = {Catalin-George Lefter and Elena-Alexandra Melnig},
  journal= {arXiv preprint arXiv:2407.00399},
  year   = {2024}
}
R2 v1 2026-06-28T17:23:34.358Z