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Randall's user avatar
Randall's user avatar
Randall
  • Member for 6 years, 10 months
  • Last seen this week
35 votes
4 answers
3k views

Mathematical justification of this "34" array trick

34 votes
2 answers
3k views

Power series representation of arctangent: fails to converge everywhere

7 votes
3 answers
1k views

On the converse of the $n$th term test

6 votes
0 answers
86 views

Sizes of conjugacy classes in $\mathrm{GL}_n(\mathbb{F}_q)$

6 votes
1 answer
69 views

Maximal order with primitive determinant in $\operatorname{GL}_n(\mathbb{F}_q)$

4 votes
2 answers
230 views

Reconciling two interpretations of $E(X^2)$

4 votes
1 answer
722 views

Number of invertible circulant matrices over a finite field

3 votes
1 answer
49 views

Triviality of finite co-H-spaces

2 votes
2 answers
113 views

Do Singer cycles create all matrices of maximal order in $\operatorname{GL}_n(\mathbb{F}_q)$?

1 vote
2 answers
919 views

Counting partitions of a finite set excluding singletons

0 votes
1 answer
39 views

Integer minimization problem: products of (powers minus one)