# New post in Examples-counterexamples

## Which of the following is a counterexample for the statement

August 16th, 2022

## What is an example of a subgroup $H\le S_3$ that is not normal?

August 13th, 2022

## Double sequence, two sequences converge, but to different limits?

February 1st, 2020

## Tensor product of two irreducible representations is not irreducible

December 12th, 2020

August 1st, 2022

August 1st, 2022

## Give a counterexample to show that $(AB)^{-1} \neq A^{-1}B^{-1}$

November 6th, 2020

August 1st, 2022

## Sum of two odd functions is always odd.

October 25th, 2020

August 1st, 2022

August 1st, 2022

August 1st, 2022

August 1st, 2022

## prove that composition $g$ of $f$ is bijective then $f$ is injective and $g$ is surjective

January 19th, 2020

August 1st, 2022

August 1st, 2022

August 1st, 2022

August 1st, 2022

## Vector field with bounded integral curves

January 23rd, 2020

## A simple example of Lindelöf space.

December 22nd, 2020

## Example of graph with specific $\chi (G)$, $\omega (G)$, $\beta (G)$

February 27th, 2020

August 1st, 2022

## Give an example of a continuous strictly increasing function g:R->R which is...

February 20th, 2020

August 1st, 2022

August 1st, 2022

August 1st, 2022

July 27th, 2020

August 1st, 2022

August 1st, 2022

## What is the order of $ab$ in an abelian group?

August 26th, 2020