user1537366's user avatar
user1537366's user avatar
user1537366's user avatar
user1537366
  • Member for 10 years, 7 months
  • Last seen more than a week ago
16 votes

Does the square or the circle have the greater perimeter? A surprisingly hard problem for high schoolers

11 votes
Accepted

Does $\pi$ contain any zeroes?

7 votes

If $A$ is not totally bounded then $A$ has an infinite subset $B$ homeomorphic to a discrete space

6 votes

Proving that a solution to the "Cat behind 7 doors" puzzle is optimal

4 votes

Prove a Continuous Distribution Function is Uniformly Continuous

4 votes

Prove that sets $A$ and $B$ are disjoint iff $A \cup B = A \bigtriangleup B$

4 votes

Chicken Problem from Terry Tao's blog (system of Diophantine equations)

4 votes

Prove that a graph with the same number of edges and vertices contains one cycle

3 votes

Uniform distribution on unit disk

3 votes

If $(f\circ g)(x)=x$ does $(g\circ f)(x)=x$?

3 votes

closed convex set, unique point that minimizes distance

3 votes
Accepted

Where is my flaw? (The map $\pi \mapsto \varphi_\pi$ is a homomorphism)

3 votes
Accepted

Prove convergence for p>1

3 votes

Need to prove that a conditional statement is a tautology

2 votes
Accepted

Riemann Integral Property for Continuous, Monotonic, Non-negative Function

2 votes
Accepted

Inequalities and arithmetic operations

2 votes

How to determine the limit of $\{\frac{(n!)^3}{(3n)!}\}$

2 votes

Geometry question involving triangles given with picture.

2 votes

An entire function $f(z)$ is real iff $z$ is real

2 votes
Accepted

Maximum likelihood estimator for general multinomial

2 votes

Minimum value of $|z+1|+|z-1|+|z-i|$

2 votes

Possible values of $\lim_{x \rightarrow \infty} \left(\frac{p(x)}{q(x)}\right)^x$

2 votes

The area of intersection of an isosceles triangle with another triangle

2 votes
Accepted

how to prove that a function is not complex differentiable

2 votes
Accepted

How do the dimensions of an "infinite" bar of chocolate change?

1 vote
Accepted

Evaluating$ \int_{-\infty}^{\infty} \frac{x^6}{(4+x^4)^2} dx $using residues

1 vote
Accepted

$\sum _{n=1}^{\infty } \frac{1}{n (n+1) (n+2)}$ Understand the representation

1 vote

Sum of segments inside a right triangle.

1 vote

Application of PIE

1 vote

Permute "aaaaabbbbbccccc" so that no two identical letters are adjacent