Mathematics
Johannes's user avatar
Johannes's user avatar
Johannes's user avatar
Johannes
  • Member for 10 years, 11 months
  • Last seen more than a month ago
Profile Activity
Stats
1,082
reputation
618k
reached
17
answers
11
questions
Communities
View all
About

Theoretical physicist by training, PhD in spin-polarized quantum systems. Inventor of the DPD micro-hydrodynamics simulation methodology, and specialized in computational physics. Currently chief scientist for a major corporation. Blogger at Science2.0.

Badges
View all badges
1
gold badge
6
silver badges
18
bronze badges
Top tags
View all tags
17
Score
4
Posts
14
Posts %
11
Score
6
Posts
21
Posts %
9
Score
4
Posts
14
Posts %
6
Score
4
Posts
14
Posts %
4
Score
3
Posts
11
Posts %
4
Score
2
Posts
7
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
598
Visually stunning math concepts which are easy to explain
Apr 1, 2014
answer
16
Problems that become easier in a more general form
Aug 16, 2014
question
11
Stars in the universe - probability of mutual nearest neighbors
Jan 6, 2013
question
11
Fibonacci cycles for finite groups
Dec 14, 2016
question
8
Sum of one, two, and three squares
Jul 7, 2013
question
7
Even bi-coloring of regular graphs
Apr 30, 2014
question
5
Binomial triplets
Aug 16, 2014
question
4
Regular apeirohedra?
Aug 3, 2013
answer
4
Given three integers in $\{0,\ldots,100\}$ which sum up to $100$. What is the probabilty that two of them are the same?
Aug 9, 2013
answer
4
What is the Probability that a Knight stays on chessboard after N hops?
Aug 10, 2013
Top network posts
View all network posts
112
Why are most metals gray/silver?
73
Why is information indestructible?
64
Why does dry spaghetti break into three pieces as opposed to only two?
64
Why is the moment of inertia (wrt. the center) for a hollow sphere higher than a solid sphere (with same radius and mass)?
57
How can you weigh your own head in an accurate way?

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.