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Mathematics
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Robin's user avatar
Robin
  • Member for 7 years, 5 months
  • Last seen this week
  • United Kingdom
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I have a bachelor's degree in mathematics.

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57
Are there non-zero real numbers equal to their "average decimal digit"?
Apr 15, 2025
47
Is there a $f: \mathbb{N} \to \mathbb{N}$ such that $\sum_{n=1}^{\infty} \frac{1}{n^2f(n)} \in \mathbb{Q}$?
May 29, 2024
41
Conjectures for finite groups that fail with large counterexamples
Dec 26, 2023
37
Conjectures for finite groups that fail with large counterexamples
Dec 26, 2023
33
What are some unsolved problems in group theory which can be explained to a beginner?
May 19, 2025
29
Does the sequence $1, 2, 3, 4, 5, 6$ appear in the number of groups of order $n$ up to isomorphism?
Jun 12, 2024
25
Why do the taxicab numbers seemingly have a bias towards being even?
2 days ago
14
Test if a finite group is a symmetric group algorithmically
Nov 27, 2023
11
For which $n$ in $2048 < n < 4096$ is the exact number of groups of order $n$ up to isomorphism currently unknown?
Nov 19, 2023
10
Conjectures for finite groups that fail with large counterexamples
Dec 26, 2023

Top Meta posts

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Buffering calendar
6
What to do when there is a minor but crucial typo in a post, where fixing it is too short for an edit suggestion?

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30
As a solo developer, how best to avoid underestimating the difficulty of my game due to knowledge/experience of it?
15
How can I write something like `$|-x|$` without excessive spacing?
15
How to solve the “stuck on a level, the next level is locked” problem
10
How to solve the “stuck on a level, the next level is locked” problem