This article is within the scope of WikiProject Mathematics, a collaborative effort to improve the coverage of mathematics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.MathematicsWikipedia:WikiProject MathematicsTemplate:WikiProject Mathematicsmathematics
This article is within the scope of WikiProject Physics, a collaborative effort to improve the coverage of Physics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.PhysicsWikipedia:WikiProject PhysicsTemplate:WikiProject Physicsphysics
This article is within the scope of WikiProject Systems, which collaborates on articles related to systems and systems science.SystemsWikipedia:WikiProject SystemsTemplate:WikiProject SystemsSystems
This article is within the scope of WikiProject Cue sports, a collaborative effort to improve the coverage of pool, carom billiards and other cue sports on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Cue sportsWikipedia:WikiProject Cue sportsTemplate:WikiProject Cue sportscue sports
Internal pages: Something like: [2][3]). Such pages are not fluff, but can be good places to find recruits for the project, possibly including subject-matter experts, especially if cross-referenced to the project. Also, Wikipedia:WikiProject Deletion sorting/Cue sports (cf. [4][5][6]).
Create timelines, both textual and graphical. See link for various guidelines and examples. We need an overall one for cue sports generally, and more specific ones as we drill down into more specific topics (timeline of nine-ball, timeline of Willie Mosconi's career, etc.).
Form sections: Exhibition game needs section on cue sports; could later form a new article with "Main article..." xref to it. What other general articles need cue sports sections?
Images: improve articles with images from commons; create pics and add them to commons as GFDL/CC-by/PD.
Add: {{Sport overview}} to main articles of cue games that are real sports; medal table tags where they apply (see Ding Junhui for example).
Insert: Cue sports events (tournament results, etc.) into the "year in sports" categories (e.g. 1965 in sports), using {{subst:Cue sports heading}} if that year doesn't have one yet.
This page does a good job discussing the billiard map as a continuous (but non-differentiable) flow. However, in the modern theory of dynamical systems (see, for instance, in Katok and Hasselblatt [7]) billiards are often viewed a discrete dynamical system defined by a map on the (unit tangent bundle of) the boundary, which for convex billiards are classic, even motivating examples of twist maps. This is somewhat similar to what is found in Generalized billiards, but this still doesn't quite capture the modern perspective.
A Lorentz gas is a model for an electron moving through a lattice of atoms. Lorentz introduced this model in 1904 to study the heat and electrical conductivity of metals. Experimentally, Lorentz's model was not as good as Drude's model, but it provided the first example of a solution (although perturbative) to the transport equation when there are interactions. An often studied example of the Lorentz gas is a billiard, made famous by Sinai, where a fixed set of disks scatter a single point particle. The collisions are specular and the disks are usually arranged to form a periodic lattice. I am not aware of a Lorenz gas. XaosBits13:53, 13 October 2006 (UTC)[reply]
The addition of information about "pump fields" seems to dangle. the "pump" field is not
defined anywhere else (and I assume means the fiber coupling source of energy). This should be stated explicitly (but I'm reluctant to do so since this is not my primary area). Nonetheless, I tried to fix up the language associated with that part of the article. Chris03:59, 31 August 2007 (UTC)[reply]
This article was automatically assessed because at least one WikiProject had rated the article as start, and the rating on other projects was brought up to start class. BetacommandBot09:48, 10 November 2007 (UTC)[reply]
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