# On indecomposability of $\beta X$

## TL;DR

This paper investigates conditions under which the Stone-ech compactification of a widely-connected space is indecomposable, providing new characterizations and constructing a specific example related to an open problem in topology.

## Contribution

It characterizes necessary and sufficient properties for ech compactifications to be indecomposable and constructs a widely-connected subset of Euclidean space that addresses an open question.

## Key findings

- Indecomposability and irreducibility are equivalent in certain compactifications.
- Provided necessary and sufficient conditions for ech indecomposability.
- Constructed a widely-connected set in Euclidean space related to the open problem.

## Abstract

The following is an open problem in topology: Determine whether the Stone-\v{C}ech compactification of a widely-connected space is necessarily an indecomposable continuum. Herein we describe properties of $X$ that are necessary and sufficient in order for $\beta X$ to be indecomposable. We show that indecomposability and irreducibility are equivalent properties in compactifications of indecomposable separable metric spaces, leading to some equivalent formulations of the open problem. We also construct a widely-connected subset of Euclidean $3$-space which is contained in a composant of each of its compactifications. The example answers a question of Jerzy Mioduszewski.