The Iterative Simplicity of Basic Topological Operations
General Mathematics
2008-05-13 v1 General Topology
Abstract
Semigroups generated by topological operations such as closure, interior or boundary are considered. It is noted that some of these semigroups are in general finite and noncommutative. The problem is formulated whether they are always finite.
Cite
@article{arxiv.0805.1466,
title = {The Iterative Simplicity of Basic Topological Operations},
author = {Elemer E Rosinger},
journal= {arXiv preprint arXiv:0805.1466},
year = {2008}
}