Teragon

Short description: Polygon with an infinite number of sides

Creating a teragon, the Koch snowflake Horned triangle or teragonic triangle [1] Quadratic Koch island/Minkowski fractal

A teragon is a polygon with an infinite number of sides, the most famous example being the Koch snowflake ("triadic Koch teragon").[dubious - discuss] The term was coined by Benoît Mandelbrot from the words Classical Greek τέρας (teras, monster) + γωνία (gōnía, corner).[2] Typically, a teragon will be bounded by one or more self-similar fractal curves, which are created by replacing each line segment in an initial figure with multiple connected segments, then replacing each of those segments with the same pattern of segments, then repeating the process an infinite number of times for every line segment in the figure.

## Other examples

The horned triangle, created by erecting a series of smaller triangles on one corner of an equilateral triangle, is another example of a teragon. It is also an example of a rep-tile, or shape that can be completely dissected into smaller copies of itself.

## References

1. ↑ Albeverio, Sergio; Andrey, Sergio; Giordano, Paolo; and Vancheri, Alberto (1997). The Dynamics of Complex Urban Systems, p.222. Springer. ISBN 9783790819373.
2. ↑ Larson, Ron; Hostetler, Robert P.; and Edwards, Bruce H. (1998). Calculus, p.546. 6th edition. Houghton Mifflin. ISBN 9780395869741.

## Further reading

* Mandelbrot, B. B. (1982). The Fractal Geometry of Nature. W.H. Freeman and Company. ISBN 0-7167-1186-9.

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Fractals

Characteristics|

* Fractal dimensions
* Assouad
* Box-counting
* Correlation
* Hausdorff
* Packing
* Topological
* Recursion
* Self-similarity

Iterated function
system|

* Barnsley fern
* Cantor set
* Koch snowflake
* Menger sponge
* Sierpinski carpet
* Sierpinski triangle
* Space-filling curve
* Blancmange curve
* De Rham curve
* Dragon curve
* Koch curve
* Lévy C curve
* Peano curve
* Sierpiński curve
* T-square
* n-flake

Strange attractor|

* Multifractal system

L-system|

* Fractal canopy
* Space-filling curve
* H tree

Escape-time
fractals|

* Burning Ship fractal
* Julia set
* Filled
* Newton fractal
* Lyapunov fractal
* Mandelbrot set
* Misiurewicz point
* Newton fractal
* Tricorn
* Mandelbox
* Mandelbulb

Rendering techniques|

* Buddhabrot
* Orbit trap
* Pickover stalk

Random fractals|

* Brownian motion
* Brownian tree
* Fractal landscape
* Lévy flight
* Percolation theory
* Self-avoiding walk

People|

* Georg Cantor
* Felix Hausdorff
* Gaston Julia
* Helge von Koch
* Paul Lévy
* Aleksandr Lyapunov
* Benoit Mandelbrot
* Lewis Fry Richardson
* Wacław Sierpiński

Other|

* "How Long Is the Coast of Britain?"
* Coastline paradox
* List of fractals by Hausdorff dimension
* The Beauty of Fractals (1986 book)
* Fractal art
* Making a New Science (1987 book)
* The Fractal Geometry of Nature (1982 book)
* Kaleidoscope
* Chaos theory

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