# User:Jim.belk

Hi!

My name is Jim Belk. I'm a research associate in mathematics at the University of St Andrews.

## Major contributions

### Major revisions

 Linking number Rose (topology) System of linear equations Row equivalence Dihedral group (the beginning part) Completing the square Standard deviation (introduction and first section) Kernel (matrix) Morera's theorem (helped) Inverse function Leibniz formula for pi (helped) Periodic sequence Periodic function (cleaned up a little) Nilpotent matrix Rotation matrix

### Pictures

I really enjoy making pictures. You can see a complete gallery of pictures I have created.

31 July 2019

## Subpages

 ${\displaystyle e^{i\pi \ }}$ This user is a mathematician.
 ${\displaystyle {\begin{array}{r}\zeta (s)=0\\\Re (s)={\frac {1}{2}}\end{array}}}$ This user is married to a mathematician.
 This user teaches at a university or other institution of higher education.
 This user maintains a blog at The Everything Seminar.
 ${\displaystyle \textstyle {\frac {\partial }{\partial x}}\,\;}$ This user only partially understands mathematics.
 f(x) This user is a member of WikiProject Mathematics.
 This user likes geometry.
 This user has published peer-reviewed articles in academic journals.
 Erdős 3 This user has an Erdős number of 3.
 This user has a keen interest in physics.
 This user uses Wikipedia as a primary point of reference.
 This user believes that caffeine is necessary in large doses daily.
 This user enjoys playing bridge.
 This user supports sustainable living.
 This user contributes using a laptop.
 This user knows the Ultimate Answer.
 This user contributes using Firefox.
 != This user believes that 0.99999... does NOT equal 1.
 This user plays games on the Wii console.
 This user still enjoys playing the Super Nintendo Entertainment System
 This user plays games in the Super Mario series.
 This user plays games from The Legend of Zelda series.

 This user knows that bears are Godless killing machines.
 trek This user is mildly embarrassed to have a Star Trek userbox, but really, who are they kidding?
 DS9 This user believes that Deep Space Nine was the best incarnation of Star Trek.
 BSG This user is a fan of the reimagined Battlestar Galactica series.
 Dr. Who This user likes the Daleks better than the Cybermen.
 This user's entire personality can be summed up in a few userboxes.