Stack Exchange

Chris Eagle

Age: 27

top accounts reputation activity favorites subscriptions
Top Questions
No questions with score of 5 or more
Top Answers
34
How to prove that the number 1!+2!+3!+…+n! is never square?
math.stackexchange.com

30
Proof that a natural number multiplied by some integer results in a number with only one and zero as digits
math.stackexchange.com

29
Getting the sequence $1, 0, -1, 0, 1, 0, -1, 0, \ldots$ without trig?
math.stackexchange.com

26
How do I prove that $\cos{\frac{2\pi}{7}}\notin\mathbb{Q}$?
math.stackexchange.com

22
Are the functions $\sin^n(x)$ linearly independent?
math.stackexchange.com

20
entire bijection of $\mathbb{C}$ with 2 fixed points
math.stackexchange.com

20
Is it true that a space-filling curve cannot be injective everywhere?
math.stackexchange.com

20
Why is $\mathbb{Z}[\sqrt{-n}]$ not a UFD?
math.stackexchange.com

16
does the uniform continuity of $f$ implies uniform continuity of $f^2$ on $\mathbb{R}$?
math.stackexchange.com

14
Does the functional equation $f(1/r) = rf(r)$ have any nontrivial solutions besides $f(r) = 1/\sqrt{r}$?
math.stackexchange.com

14
Simple example of a continuous onto function mapping $[0,1]$ to $\mathbb R$
math.stackexchange.com

14
Is this a property of an integral domain that is not a field?
math.stackexchange.com

14
$\forall m \exists n$, $mn = n$ True or False
math.stackexchange.com

13
Minimal non-cyclic groups other than the Klein four groups
math.stackexchange.com

13
Why is the ratio test for L=1 inconclusive?
math.stackexchange.com

13
Is there an easy example of a vector space which can not be endowed with the structure of a Banach space
math.stackexchange.com

13
Proving the non-existence of a limit
math.stackexchange.com

13
Collection of continuous functions determines the topology
math.stackexchange.com

13
A subgroup such that every left coset is contained in a right coset.
math.stackexchange.com

13
Why can't we just say 1 instead of “unity”?
math.stackexchange.com

12
Prove that this is a group
math.stackexchange.com

12
How many paths exist between two points in the plane?
math.stackexchange.com

11
Fundamental group of $S^2$ with north and south pole identified
math.stackexchange.com

11
Transcendentality of the $\log$ of the golden mean
math.stackexchange.com

11
Compactness in $\mathbb{Q}$
math.stackexchange.com

10
Differentiable+Not monotone
math.stackexchange.com

10
[Model Theory] Problem
math.stackexchange.com

10
Making an angle of 10 degree and its multiple using compass?
math.stackexchange.com

10
Every automorphism of $\mathbb{R}^n$ a linear mapping
math.stackexchange.com

10
A niggling problem about frontier in topology
math.stackexchange.com

1 2 3 4 5 6