# New post in Compactness

April 29th, 2020

## Prove that the set of accumulation points of a bounded subset of $\mathbb{R}^n$ is compact.

December 14th, 2020

## Determine if the following sets are compact

November 30th, 2020

## Easy question about compactly contained sets

November 24th, 2020

## Proving that a one-to-one continuous function on a compact subset has a continuous inverse

November 20th, 2020

## Proving intersection (and union) of two compacts sets is compact using subsequence?

October 28th, 2020

August 1st, 2022

March 17th, 2020

August 1st, 2022

August 1st, 2022

August 1st, 2022

July 31st, 2020

August 1st, 2022

August 1st, 2022

## Product of two compacts set is compact

November 18th, 2020

## A 1-1 continuous function from a compact space A into a Hausdorff space B

August 22nd, 2020

June 11th, 2020

August 1st, 2022

May 3rd, 2020

August 1st, 2022

## Compactness of union and intersection?

October 1st, 2020

## A simple example of Lindelöf space.

December 22nd, 2020

August 1st, 2022

August 1st, 2022

April 23rd, 2020

August 1st, 2022

## single point compact not closed how to show it

February 24th, 2020

March 16th, 2020

## Show that following subset of $\mathbb R^2$ is compact

November 26th, 2020

## Show that the set $\{0,1,\frac{1}{2},\frac{1}{3},\frac{1}{4},...\}$ is compact in $\mathbb{R}$

January 7th, 2020