# Wikipedia:Requested articles/Mathematics

https://en.wikipedia.org/wiki/Wikipedia:Requested_articles/Mathematics
 Add your request in the most appropriate place below. Before adding a request please: for existing articles on the same subject. If an article exists, but not at the title you expected, you can create a redirect. Check spelling and capitalization. Be sure the subject meets Wikipedia's inclusion criteria. By convention, Wikipedia article titles are not capitalized except for the first letter and proper names -- write your request as This and such theorem instead of This And Such Theorem. Every request for an article on a mathematical topic must include a reliable source where the the topic is defined, and must specify the place in the source where the topic is defined, particularly when the source is a book. Also, when adding a request, please include as much information as possible (such as webpages, articles, or other reference material) so editors can find and distinguish your request from an already-created article.

## Algorithms

• Wolf and Pate correlation (capillary tubes)
• L-PLS (extends Partial Least Squares regression to 3 connected data blocks)
• OPLS-DA (Orthogonal Projections to Latent Structures - Discriminant Analysis) (Partial Least Squares with discrete variables)

## Books

(High-speed mathematics is a book by Lester Meyers, originally published in 1947. It presents "short-cuts and time-saving methods of doing mathematical calculations".)

## Differential equations

Please make a page on linearization of ordinary differential equations. More precisely, consider the system x dot = f(x,u,t) wherex and u are vectors. Then it is a standard result used in the theroy of control systems (in engineering disciplinnes) that it can be linearized as x dot = Ax + Bu where A = partial f / partial x and B = partial / partial u. However, in the engineeiring books or web resources no proof is offered for it. Many textbooks cite the following book [*] as a reference for its proof, but unfortunately I do not have access to it. In the engineering dield many researchers will benefir from its proof.

[*] H. Amann. Ordinary Differential Equations: An Introduction to Nonlinear Analysis, volume 13 of De Gruyter Studies in Mathematics. De Gruyter, Berlin - New York, 1990. —  Preceding unsigned comment added by 151.238.150.222 ( talkcontribs) 20:12, 11 October 2015‎

This is a simple application of the concept of a Total derivative. Whether there is justification for having a whole article on the specific application you have in mind I am not sure. The editor who uses the pseudonym " JamesBWatson" ( talk) 14:59, 13 October 2015 (UTC)

## Mathematicians

Prior to creating an article, any biographical details can be added to: Wikipedia:WikiProject Mathematics/missing mathematicians.

## Number theory

• 32760_(number) -- lowest number evenly divisible by all integers from 1 to 16; factorisation 2 * 2 * 2 * 3 * 3 * 5 * 7 * 13. [Comment: 32760 is not divisible by 16 or 11. The correct lowest number divisible by 1 through 16 is 720720.]
• 7920 (number) -- see http://www.numbergossip.com/7920 -- as far as I can see, the only unique thing about this number is that it's the order of the smallest sporadic simple group

## Topology

### Knot theory

• Chayes–McKellar–Winn theorem -
• knotscape software for knot theory
• Lamp cord trick, in topology and specifically knot theory, an observation that two certain spaces are homeomorphic, even if one of the components is knotted. The spaces are $M^{3}\backslash T_{i},i=1,2$ , where $M^{3}$ is a hollow ball homeomorphic to $S^{2}\times [0,1]$ and $T_{i}$ a tube connecting the boundary components of $M^{3}$ . The name comes from R. H. Bing's book "The Geometric Topology of 3-manifolds".
• Kashaev invariant, a kind of quantum invariant
• Millett unknot, a 2D representation of the unknot
• Singular braid monoid

## Uncategorized

Please try to classify these requests.