User:Jim.belk

Hi!

My name is Jim Belk. I'm an assistant professor of mathematics at Bard College.

Major contributions

New articles

SL2(R) The Quadrature of the Parabola Word (group theory) Euclidean subspace Row space Column space List of linear algebra references Geometric series Index of a subgroup Second derivative

Twist knot Lissajous knot List of prime knots Direct product of groups Differentiable function Completeness of the real numbers Least-upper-bound property Sign (mathematics) Negation (algebra) List of types of numbers

New stubs

Self-linking number Metacyclic group Reflection (linear algebra) Point reflection Tits alternative Out(Fn) Presentation complex Geometric group action Flat (geometry) Root (mathematics)

Conjugate diameters Three-twist knot Stevedore knot (mathematics) 6₂ knot 6₃ knot 7₁ knot Square knot (mathematics) Granny knot (mathematics) Unknotting number Lantern relation Moser's worm problem

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

Isomorphism theorem Integration using Euler's formula Polarization identity Semi-locally simply connected End (topology) FOIL method Analytic geometry Binomial theorem Congruence relation Cardioid Trefoil knot Discrete geometry Negative number Latitude (the beginning part) Area

Pictures

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

Unfinished drafts

User:Jim.belk/Draft:Negative number User:Jim.belk/Draft:Cylinder Rank (linear algebra) Matrix (mathematics) Column vector Vector (mathematics) Reduced row echelon form Row echelon form Row reduction Linear span

Method of undetermined coefficients User:Jim.belk/Covering Spaces Draft User:Jim.belk/Draft of Hyperbolic Geometry User:Jim.belk/Draft:Free group User:Jim.belk/Draft:Quadratic Form User:Jim.belk/Draft:xy plane User:Jim.belk/Draft:Function composition User:Jim.belk/Draft:Alternating series User:Jim.belk/Draft:Direct union User:Jim.belk/Draft:List of trigonometric identities

Dihedral groups project

• User:Jim.belk/Dihedral symmetry
• User:Jim.belk/Representation Theory of the Dihedral Group Draft
• User:Jim.belk/Infinite Dihedral Group Draft
• User:Jim.belk/Generalized Dihedral Group Draft
• User:Jim.belk/Dihedral Group Draft

Links

2012-01-23

• News and notes: SOPA blackout, Orange partnership

• In the news: World watched as Wikipedia shut down for SOPA blackout

• WikiProject report: The Golden Horseshoe: WikiProject Toronto

• Featured content: Interview with Muhammad Mahdi Karim and the best of the week

• Arbitration report: Four open cases, proposed decision in Muhammad images, AUSC call for applications

• Technology report: Looking ahead to MediaWiki 1.19 and related issues

About·Archives·Newsroom·Single-page·Suggestions

• Wikipedia:WikiProject Mathematics
• Wikipedia talk:WikiProject Mathematics

Displaying Mathematics

• Wikipedia:Manual of Style (mathematics)
• Wikipedia:Mathematical symbols (for use in HTML)
• Table of mathematical symbols
• Help:Displaying a formula
• BlahTeX Homepage
• BlahTeX Manual

General Wikipedia

• The five pillars of Wikipedia
• How to edit a page
• Help pages
• Tutorial
• How to write a great article
• Manual of Style

Humor

• Wikipedia:No climbing the Reichstag dressed as Spider-Man
• Wikipedia:Five pillars of evil
• Wikipedia:Do NOT bite the developers

Other

• Mathematics stub types
• Wikipedia:How to create graphs for Wikipedia articles
• Wikipedia:Template messages
• Wikipedia:Scientific citation guidelines
• Wikipedia:Citation templates
• Wikipedia:How do I delete a user subpage?

Subpages

• User:Jim.belk/Image Gallery
• User:Jim.belk/Articles to Work On
• User:Jim.belk/Sandbox
• User:Jim.belk/Sandbox2
• User:Jim.belk/Sandbox3
• User:Jim.belk/Sandbox4
• User:Jim.belk/Mathematical symbols
• User:Jim.belk/Common sources

$e^{i \pi\ }$	This user is a mathematician.

$\begin{array}{r}\zeta(s) = 0\\ \Re(s) = \frac{1}{2}\end{array}$

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.

$\textstyle{\frac{\partial}{\partial x}} \,\;$

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 Mozilla 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.