A remark on approximation of open sets with regular bounded ones
General Topology
2010-12-09 v1
Abstract
We show that any open set in is a union of an ascending sequence of bounded open sets with analytic boundary. This is just a technical result, which is probably known. We believe, however, that it can be useful for studing BVPs on irregular open sets.
Cite
@article{arxiv.1012.1805,
title = {A remark on approximation of open sets with regular bounded ones},
author = {Dmitry Vorotnikov},
journal= {arXiv preprint arXiv:1012.1805},
year = {2010}
}
Comments
2 pages