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A frequently studied problem in finite geometry is to identify ways in which an object can be covered by other simpler objects such as points, lines, and planes. In projective geometry, a specific instance of this problem that has numerous applications is determining whether, and how, a projective space can be covered by pairwise disjoint subspaces which have the same dimension; such a ...
Videos of this type will usually only consist of one shot up to several minutes long. Stabilization is especially important for performance-type videos. Although performance-type videos may interpret the content of a page, the video content must enhance the encyclopedic value of the article, following Wikipedia:Image use policy#Content.
Wikipedia may supplement a textbook by explaining key concepts, but it does not replace a textbook. Wikipedia is organized as hypertext, meaning that the information you require may not be on one page, but spread over many pages. In technical subjects, the material may also be technical: Wikipedia has no restriction on the depth of coverage.
Given a line and any point A on it, we may consider A as decomposing this line into two parts. Each such part is called a ray and the point A is called its initial point. It is also known as half-line (sometimes, a half-axis if it plays a distinct role, e.g., as part of a coordinate axis). It is a one-dimensional half-space. The point A is ...
A line complex, a family of lines of codimension 1 in the family of all lines in some projective space, in particular a 3-dimensional family of lines in 3-dimensional projective space. (Semple & Roth 1949, p.236) See congruence. 2. (Adjective.) Related to the complex numbers. 3. The (line) complex group is an old name for the symplectic group.
The original videos, which typically had running times of 1–2 hours, were later adapted into Standard Deviants TV, a series of fifty-two 26-minute episodes on PBS from 2000–2002. [3] They were then retrofitted again into shorter videos for the K-12 school market, which as of 2024 are packaged as two lines: Standard Deviants School and ...
Divine Proportions defines both of these concepts directly from the Cartesian coordinates of points that determine a line segment or a pair of crossing lines. Defined in this way, they are rational functions of those coordinates, and can be calculated directly without the need to take the square roots or inverse trigonometric functions required ...
Peanut butter being spread on white bread . This is a list of spreads. A spread is a food that is literally spread, generally with a knife, onto food items such as bread or crackers. Spreads are added to food to enhance the flavour or texture of the food, which may be considered bland without it.