Johan Wästlund's user avatar
Johan Wästlund's user avatar
Johan Wästlund's user avatar
Johan Wästlund
  • Member for 12 years, 11 months
  • Last seen this week
39 votes

Heuristically false conjectures

29 votes
Accepted

A random walk with uniformly distributed steps

22 votes

Submitting a companion paper with detailed proofs ?

21 votes

Are there proofs that you feel you did not "understand" for a long time?

20 votes

Examples of theorems with proofs that have dramatically improved over time

19 votes

Probability of a Random Walk crossing a straight line

16 votes

Nontrivial theorems with trivial proofs

14 votes

$ - \sum_{n=1}^\infty \frac{(-1)^n}{2^n-1} =? \sum_{n=1}^\infty \frac{1}{2^n+1}$

12 votes

Special rational numbers that appear as answers to natural questions

12 votes

Probability Problem Involving e

11 votes

Careless packing

11 votes
Accepted

An NP-hard $n$ fold integral

10 votes

Some questions concerning a random number process

9 votes

Philosophical Question related to Largest Known Primes

9 votes

Probability of a Random Walk crossing a straight line

9 votes
Accepted

Polynomials on the Unit Circle

9 votes
Accepted

Expected Hitting Time for Simple Random Walk from origin to point (x,y) in 2D-Integer-Grid

9 votes

For which $n$ is there a permutation such that the sum of any two adjacent elements is a prime?

8 votes

Proof synopsis collection

8 votes
Accepted

How quickly did Gödel's Incompleteness Theorem become known and heeded throughout mathematics

8 votes
Accepted

What is the name of this graph?

8 votes

Characterization of the Poisson law

7 votes
Accepted

prime powers between n and 2n

7 votes

Rolling-ball game

7 votes

Polynomials on the Unit Circle

7 votes

Recurrence relations whose base case is 'at infinity'

7 votes

Can infinity shorten proofs a lot?

7 votes
Accepted

Solving a modified birthday problem at a glance

6 votes
Accepted

The Bruss-Yor conjecture about an iterated integral

6 votes

Rain droplets falling on a table