Edge figure

In higher order polytopes, an edge figure of a polychoron or 4-honeycomb is a polygon representing the set of faces around an edge. For example the "edge figure" for a regular cubic honeycomb {4,3,4} is a square, and for a regular polychoron {p,q,r} is the polygon {r}.

References

*H.S.M. Coxeter, "Regular Polytopes", Hbk (1948), ppbk (1973).
*H.S.M. Coxeter (et al), Uniform Polyhedra, "Phil. Trans". 246 A (1954) pp. 401-450.
*P. Cromwell, "Polyhedra", CUP pbk. (1999).
*H.M. Cundy and A.P. Rollett, "Mathematical Models", OUP (1961).
*J. Skilling, The Complete Set of Uniform Polyhedra, "Phil. Trans". 278 A (1975) pp. 111-135.
*M. Wenninger, "Dual Models", CUP hbk (1983) ppbk (2003).

See also

* Vertex configuration
* List of regular polytopes

External links

Wikimedia Foundation. 2010.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

Figure skating — is an athletic sport in which individuals, pairs, or groups perform spins, jumps, footwork and other intricate and challenging moves on ice. Figure skaters compete at various levels from beginner up to the Olympic level (senior), and at local,… … Wikipedia
figure skating — figure skater. 1. ice skating in which the skater traces intricate patterns on the ice. 2. a type of ice skating developed from this, emphasizing jumps, spins, and other movements that combine athletic skills and dance techniques. 3. a… … Universalium
Figure skating jumps — are a major element of competitive figure skating. Different jumps are identified by the take off edge and the number of revolutions completed. There are six kinds of jumps currently counted as jump elements in ISU regulations.RevolutionsJumps… … Wikipedia
Figure skate — Figure skates are a type of ice skate used by figure skaters. The skates consist of a boot and a blade that is attached with screws to the sole of the boot. Inexpensive sets for recreational skaters are available, but most figure skaters purchase … Wikipedia
Figure skating lifts — Figure skating element Element name: Lift Scoring abbreviation: Li Disciplines: Pair skating Ice dancing … Wikipedia
Edge (wrestler) — Edge Edge at WWE s Tribute to the Troops in 2010. Ring name(s) Adam Copeland[1] Adam Impact … Wikipedia
Figure skating spins — Spins are an element in figure skating where the skater rotates, centered on a single point on the ice, while holding one or more body positions. The skater rotates on the part of the blade just behind the toe pick, with the weight on the ball of … Wikipedia
Edge cover — In graph theory, an edge cover of a graph is a set of edges such that every vertex of the graph is incident to at least one edge of the set. In computer science, the minimum edge cover problem is the problem of finding an edge cover of minimum… … Wikipedia
Figure skating spirals — A spiral is an element in figure skating where the skater glides on one foot while raising the free leg above hip level. Spiral positions are classified according to the skating leg (left or right), edge (outside or inside), direction the skater… … Wikipedia
Figure-ground (perception) — In visual perception, figure ground is a type of perceptual organization in vision that involves assignment of edges to regions for purposes of shape determination, determination of depth across an edge, and the allocation of visual attention… … Wikipedia

Academic Dictionaries and Encyclopedias

Edge figure

Look at other dictionaries:

Share the article and excerpts

Academic Dictionaries and Encyclopedias

Wikipedia

Edge figure

Look at other dictionaries:

Share the article and excerpts

Direct link